28855970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1187}}^1$

素因数の和:1235

約数の個数: 64

約数和(自身を含む): 64665216

約数和(自身を除く): 35809246

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 130, 143, 170, 187, 221, 286, 374, 442, 715, 935, 1105, 1187, 1430, 1870, 2210, 2374, 2431, 4862, 5935, 11870, 12155, 13057, 15431, 20179, 24310, 26114, 30862, 40358, 65285, 77155, 100895, 130570, 154310, 169741, 201790, 221969, 262327, 339482, 443938, 524654, 848705, 1109845, 1311635, 1697410, 2219690, 2623270, 2885597, 5771194, 14427985, 28855970]

約数ペア:

[(1, 28855970), (2, 14427985), (5, 5771194), (10, 2885597), (11, 2623270), (13, 2219690), (17, 1697410), (22, 1311635), (26, 1109845), (34, 848705), (55, 524654), (65, 443938), (85, 339482), (110, 262327), (130, 221969), (143, 201790), (170, 169741), (187, 154310), (221, 130570), (286, 100895), (374, 77155), (442, 65285), (715, 40358), (935, 30862), (1105, 26114), (1187, 24310), (1430, 20179), (1870, 15431), (2210, 13057), (2374, 12155), (2431, 11870), (4862, 5935)]