78390124

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 151066720

約数和(自身を除く): 72676596

約数列:

[1, 2, 4, 19, 37, 38, 61, 74, 76, 122, 148, 244, 457, 703, 914, 1159, 1406, 1828, 2257, 2318, 2812, 4514, 4636, 8683, 9028, 16909, 17366, 27877, 33818, 34732, 42883, 55754, 67636, 85766, 111508, 171532, 321271, 529663, 642542, 1031449, 1059326, 1285084, 2062898, 2118652, 4125796, 19597531, 39195062, 78390124]

約数ペア:

[(1, 78390124), (2, 39195062), (4, 19597531), (19, 4125796), (37, 2118652), (38, 2062898), (61, 1285084), (74, 1059326), (76, 1031449), (122, 642542), (148, 529663), (244, 321271), (457, 171532), (703, 111508), (914, 85766), (1159, 67636), (1406, 55754), (1828, 42883), (2257, 34732), (2318, 33818), (2812, 27877), (4514, 17366), (4636, 16909), (8683, 9028)]