328767556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 667187136

約数和(自身を除く): 338419580

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 131, 167, 221, 262, 289, 334, 442, 524, 578, 668, 884, 1156, 1703, 2171, 2227, 2839, 3406, 3757, 4342, 4454, 5678, 6812, 7514, 8684, 8908, 11356, 15028, 21877, 28951, 36907, 37859, 43754, 48263, 57902, 73814, 75718, 87508, 96526, 115804, 147628, 151436, 193052, 284401, 371909, 492167, 568802, 627419, 743818, 984334, 1137604, 1254838, 1487636, 1968668, 2509676, 4834817, 6322453, 9669634, 12644906, 19339268, 25289812, 82191889, 164383778, 328767556]

約数ペア:

[(1, 328767556), (2, 164383778), (4, 82191889), (13, 25289812), (17, 19339268), (26, 12644906), (34, 9669634), (52, 6322453), (68, 4834817), (131, 2509676), (167, 1968668), (221, 1487636), (262, 1254838), (289, 1137604), (334, 984334), (442, 743818), (524, 627419), (578, 568802), (668, 492167), (884, 371909), (1156, 284401), (1703, 193052), (2171, 151436), (2227, 147628), (2839, 115804), (3406, 96526), (3757, 87508), (4342, 75718), (4454, 73814), (5678, 57902), (6812, 48263), (7514, 43754), (8684, 37859), (8908, 36907), (11356, 28951), (15028, 21877)]