155987378

素因数分解:

$2^1\times {\mathrm{19}}^3\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 251778240

約数和(自身を除く): 95790862

約数列:

[1, 2, 19, 38, 83, 137, 166, 274, 361, 722, 1577, 2603, 3154, 5206, 6859, 11371, 13718, 22742, 29963, 49457, 59926, 98914, 216049, 432098, 569297, 939683, 1138594, 1879366, 4104931, 8209862, 77993689, 155987378]

約数ペア:

[(1, 155987378), (2, 77993689), (19, 8209862), (38, 4104931), (83, 1879366), (137, 1138594), (166, 939683), (274, 569297), (361, 432098), (722, 216049), (1577, 98914), (2603, 59926), (3154, 49457), (5206, 29963), (6859, 22742), (11371, 13718)]