28743974

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 27243226

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 59, 89, 118, 119, 161, 178, 238, 322, 391, 413, 623, 782, 826, 1003, 1246, 1357, 1513, 2006, 2047, 2714, 2737, 3026, 4094, 5251, 5474, 7021, 9499, 10502, 10591, 14042, 14329, 18998, 21182, 23069, 28658, 34799, 36757, 46138, 69598, 73514, 89267, 120773, 161483, 178534, 241546, 243593, 322966, 487186, 624869, 845411, 1249738, 1690822, 2053141, 4106282, 14371987, 28743974]

約数ペア:

[(1, 28743974), (2, 14371987), (7, 4106282), (14, 2053141), (17, 1690822), (23, 1249738), (34, 845411), (46, 624869), (59, 487186), (89, 322966), (118, 243593), (119, 241546), (161, 178534), (178, 161483), (238, 120773), (322, 89267), (391, 73514), (413, 69598), (623, 46138), (782, 36757), (826, 34799), (1003, 28658), (1246, 23069), (1357, 21182), (1513, 18998), (2006, 14329), (2047, 14042), (2714, 10591), (2737, 10502), (3026, 9499), (4094, 7021), (5251, 5474)]