12643436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 25589760

約数和(自身を除く): 12946324

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 67, 76, 134, 191, 247, 268, 382, 494, 764, 871, 988, 1273, 1742, 2483, 2546, 3484, 3629, 4966, 5092, 7258, 9932, 12797, 14516, 16549, 25594, 33098, 47177, 51188, 66196, 94354, 166361, 188708, 243143, 332722, 486286, 665444, 972572, 3160859, 6321718, 12643436]

約数ペア:

[(1, 12643436), (2, 6321718), (4, 3160859), (13, 972572), (19, 665444), (26, 486286), (38, 332722), (52, 243143), (67, 188708), (76, 166361), (134, 94354), (191, 66196), (247, 51188), (268, 47177), (382, 33098), (494, 25594), (764, 16549), (871, 14516), (988, 12797), (1273, 9932), (1742, 7258), (2483, 5092), (2546, 4966), (3484, 3629)]