90197954

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 180652032

約数和(自身を除く): 90454078

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 131, 154, 187, 238, 262, 263, 374, 526, 917, 1309, 1441, 1834, 1841, 2227, 2618, 2882, 2893, 3682, 4454, 4471, 5786, 8942, 10087, 15589, 20174, 20251, 24497, 31178, 31297, 34453, 40502, 48994, 49181, 62594, 68906, 98362, 171479, 241171, 342958, 344267, 378983, 482342, 585701, 688534, 757966, 1171402, 2652881, 4099907, 5305762, 6442711, 8199814, 12885422, 45098977, 90197954]

約数ペア:

[(1, 90197954), (2, 45098977), (7, 12885422), (11, 8199814), (14, 6442711), (17, 5305762), (22, 4099907), (34, 2652881), (77, 1171402), (119, 757966), (131, 688534), (154, 585701), (187, 482342), (238, 378983), (262, 344267), (263, 342958), (374, 241171), (526, 171479), (917, 98362), (1309, 68906), (1441, 62594), (1834, 49181), (1841, 48994), (2227, 40502), (2618, 34453), (2882, 31297), (2893, 31178), (3682, 24497), (4454, 20251), (4471, 20174), (5786, 15589), (8942, 10087)]