28409562

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 66211200

約数和(自身を除く): 37801638

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 59, 74, 111, 118, 177, 222, 241, 333, 354, 482, 531, 666, 723, 999, 1062, 1446, 1593, 1998, 2169, 2183, 3186, 4338, 4366, 6507, 6549, 8917, 13014, 13098, 14219, 17834, 19647, 26751, 28438, 39294, 42657, 53502, 58941, 80253, 85314, 117882, 127971, 160506, 240759, 255942, 383913, 481518, 526103, 767826, 1052206, 1578309, 3156618, 4734927, 9469854, 14204781, 28409562]

約数ペア:

[(1, 28409562), (2, 14204781), (3, 9469854), (6, 4734927), (9, 3156618), (18, 1578309), (27, 1052206), (37, 767826), (54, 526103), (59, 481518), (74, 383913), (111, 255942), (118, 240759), (177, 160506), (222, 127971), (241, 117882), (333, 85314), (354, 80253), (482, 58941), (531, 53502), (666, 42657), (723, 39294), (999, 28438), (1062, 26751), (1446, 19647), (1593, 17834), (1998, 14219), (2169, 13098), (2183, 13014), (3186, 8917), (4338, 6549), (4366, 6507)]