28864524

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 74851392

約数和(自身を除く): 45986868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 169, 172, 258, 331, 338, 507, 516, 559, 662, 676, 993, 1014, 1118, 1324, 1677, 1986, 2028, 2236, 3354, 3972, 4303, 6708, 7267, 8606, 12909, 14233, 14534, 17212, 21801, 25818, 28466, 29068, 42699, 43602, 51636, 55939, 56932, 85398, 87204, 111878, 167817, 170796, 185029, 223756, 335634, 370058, 555087, 671268, 740116, 1110174, 2220348, 2405377, 4810754, 7216131, 9621508, 14432262, 28864524]

約数ペア:

[(1, 28864524), (2, 14432262), (3, 9621508), (4, 7216131), (6, 4810754), (12, 2405377), (13, 2220348), (26, 1110174), (39, 740116), (43, 671268), (52, 555087), (78, 370058), (86, 335634), (129, 223756), (156, 185029), (169, 170796), (172, 167817), (258, 111878), (331, 87204), (338, 85398), (507, 56932), (516, 55939), (559, 51636), (662, 43602), (676, 42699), (993, 29068), (1014, 28466), (1118, 25818), (1324, 21801), (1677, 17212), (1986, 14534), (2028, 14233), (2236, 12909), (3354, 8606), (3972, 7267), (4303, 6708)]