638242572

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 1711729152

約数和(自身を除く): 1073486580

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 41, 44, 66, 71, 82, 121, 123, 132, 142, 151, 164, 213, 242, 246, 284, 302, 363, 426, 451, 453, 484, 492, 604, 726, 781, 852, 902, 906, 1353, 1452, 1562, 1661, 1804, 1812, 2343, 2706, 2911, 3124, 3322, 4686, 4961, 4983, 5412, 5822, 6191, 6644, 8591, 8733, 9372, 9922, 9966, 10721, 11644, 12382, 14883, 17182, 17466, 18271, 18573, 19844, 19932, 21442, 24764, 25773, 29766, 32021, 32163, 34364, 34932, 36542, 37146, 42884, 51546, 54813, 59532, 64042, 64326, 68101, 73084, 74292, 96063, 103092, 109626, 117931, 128084, 128652, 136202, 192126, 204303, 219252, 235862, 272404, 352231, 353793, 384252, 408606, 439561, 471724, 704462, 707586, 749111, 817212, 879122, 1056693, 1297241, 1318683, 1408924, 1415172, 1498222, 1758244, 2113386, 2247333, 2594482, 2637366, 2996444, 3891723, 4226772, 4494666, 4835171, 5188964, 5274732, 7783446, 8989332, 9670342, 14505513, 15566892, 19340684, 29011026, 53186881, 58022052, 106373762, 159560643, 212747524, 319121286, 638242572]

約数ペア:

[(1, 638242572), (2, 319121286), (3, 212747524), (4, 159560643), (6, 106373762), (11, 58022052), (12, 53186881), (22, 29011026), (33, 19340684), (41, 15566892), (44, 14505513), (66, 9670342), (71, 8989332), (82, 7783446), (121, 5274732), (123, 5188964), (132, 4835171), (142, 4494666), (151, 4226772), (164, 3891723), (213, 2996444), (242, 2637366), (246, 2594482), (284, 2247333), (302, 2113386), (363, 1758244), (426, 1498222), (451, 1415172), (453, 1408924), (484, 1318683), (492, 1297241), (604, 1056693), (726, 879122), (781, 817212), (852, 749111), (902, 707586), (906, 704462), (1353, 471724), (1452, 439561), (1562, 408606), (1661, 384252), (1804, 353793), (1812, 352231), (2343, 272404), (2706, 235862), (2911, 219252), (3124, 204303), (3322, 192126), (4686, 136202), (4961, 128652), (4983, 128084), (5412, 117931), (5822, 109626), (6191, 103092), (6644, 96063), (8591, 74292), (8733, 73084), (9372, 68101), (9922, 64326), (9966, 64042), (10721, 59532), (11644, 54813), (12382, 51546), (14883, 42884), (17182, 37146), (17466, 36542), (18271, 34932), (18573, 34364), (19844, 32163), (19932, 32021), (21442, 29766), (24764, 25773)]