172308188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 350379792

約数和(自身を除く): 178071604

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 67, 76, 134, 137, 247, 268, 274, 361, 494, 548, 722, 871, 988, 1273, 1444, 1742, 1781, 2546, 2603, 3484, 3562, 4693, 5092, 5206, 7124, 9179, 9386, 10412, 16549, 18358, 18772, 24187, 33098, 33839, 36716, 48374, 49457, 66196, 67678, 96748, 98914, 119327, 135356, 174401, 197828, 238654, 314431, 348802, 477308, 628862, 642941, 697604, 1257724, 1285882, 2267213, 2571764, 3313619, 4534426, 6627238, 9068852, 13254476, 43077047, 86154094, 172308188]

約数ペア:

[(1, 172308188), (2, 86154094), (4, 43077047), (13, 13254476), (19, 9068852), (26, 6627238), (38, 4534426), (52, 3313619), (67, 2571764), (76, 2267213), (134, 1285882), (137, 1257724), (247, 697604), (268, 642941), (274, 628862), (361, 477308), (494, 348802), (548, 314431), (722, 238654), (871, 197828), (988, 174401), (1273, 135356), (1444, 119327), (1742, 98914), (1781, 96748), (2546, 67678), (2603, 66196), (3484, 49457), (3562, 48374), (4693, 36716), (5092, 33839), (5206, 33098), (7124, 24187), (9179, 18772), (9386, 18358), (10412, 16549)]