90169156

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1013}}^1$

素因数の和:1069

約数の個数: 72

約数和(自身を含む): 209192256

約数和(自身を除く): 119023100

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 289, 308, 374, 476, 578, 748, 1013, 1156, 1309, 2023, 2026, 2618, 3179, 4046, 4052, 5236, 6358, 7091, 8092, 11143, 12716, 14182, 17221, 22253, 22286, 28364, 34442, 44506, 44572, 68884, 78001, 89012, 120547, 156002, 189431, 241094, 292757, 312004, 378862, 482188, 585514, 757724, 1171028, 1326017, 2049299, 2652034, 3220327, 4098598, 5304068, 6440654, 8197196, 12881308, 22542289, 45084578, 90169156]

約数ペア:

[(1, 90169156), (2, 45084578), (4, 22542289), (7, 12881308), (11, 8197196), (14, 6440654), (17, 5304068), (22, 4098598), (28, 3220327), (34, 2652034), (44, 2049299), (68, 1326017), (77, 1171028), (119, 757724), (154, 585514), (187, 482188), (238, 378862), (289, 312004), (308, 292757), (374, 241094), (476, 189431), (578, 156002), (748, 120547), (1013, 89012), (1156, 78001), (1309, 68884), (2023, 44572), (2026, 44506), (2618, 34442), (3179, 28364), (4046, 22286), (4052, 22253), (5236, 17221), (6358, 14182), (7091, 12716), (8092, 11143)]