398268

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:83

約数の個数: 72

約数和(自身を含む): 1161888

約数和(自身を除く): 763620

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 37, 39, 46, 52, 69, 74, 78, 92, 111, 117, 138, 148, 156, 207, 222, 234, 276, 299, 333, 414, 444, 468, 481, 598, 666, 828, 851, 897, 962, 1196, 1332, 1443, 1702, 1794, 1924, 2553, 2691, 2886, 3404, 3588, 4329, 5106, 5382, 5772, 7659, 8658, 10212, 10764, 11063, 15318, 17316, 22126, 30636, 33189, 44252, 66378, 99567, 132756, 199134, 398268]

約数ペア:

[(1, 398268), (2, 199134), (3, 132756), (4, 99567), (6, 66378), (9, 44252), (12, 33189), (13, 30636), (18, 22126), (23, 17316), (26, 15318), (36, 11063), (37, 10764), (39, 10212), (46, 8658), (52, 7659), (69, 5772), (74, 5382), (78, 5106), (92, 4329), (111, 3588), (117, 3404), (138, 2886), (148, 2691), (156, 2553), (207, 1924), (222, 1794), (234, 1702), (276, 1443), (299, 1332), (333, 1196), (414, 962), (444, 897), (468, 851), (481, 828), (598, 666)]