28411308

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{569}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 76767600

約数和(自身を除く): 48356292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 73, 76, 114, 146, 171, 219, 228, 292, 342, 438, 569, 657, 684, 876, 1138, 1314, 1387, 1707, 2276, 2628, 2774, 3414, 4161, 5121, 5548, 6828, 8322, 10242, 10811, 12483, 16644, 20484, 21622, 24966, 32433, 41537, 43244, 49932, 64866, 83074, 97299, 124611, 129732, 166148, 194598, 249222, 373833, 389196, 498444, 747666, 789203, 1495332, 1578406, 2367609, 3156812, 4735218, 7102827, 9470436, 14205654, 28411308]

約数ペア:

[(1, 28411308), (2, 14205654), (3, 9470436), (4, 7102827), (6, 4735218), (9, 3156812), (12, 2367609), (18, 1578406), (19, 1495332), (36, 789203), (38, 747666), (57, 498444), (73, 389196), (76, 373833), (114, 249222), (146, 194598), (171, 166148), (219, 129732), (228, 124611), (292, 97299), (342, 83074), (438, 64866), (569, 49932), (657, 43244), (684, 41537), (876, 32433), (1138, 24966), (1314, 21622), (1387, 20484), (1707, 16644), (2276, 12483), (2628, 10811), (2774, 10242), (3414, 8322), (4161, 6828), (5121, 5548)]