1990332918

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{74161}}^1$

素因数の和:74250

約数の個数: 64

約数和(自身を含む): 5126077440

約数和(自身を除く): 3135744522

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 126, 142, 189, 213, 378, 426, 497, 639, 994, 1278, 1491, 1917, 2982, 3834, 4473, 8946, 13419, 26838, 74161, 148322, 222483, 444966, 519127, 667449, 1038254, 1334898, 1557381, 2002347, 3114762, 4004694, 4672143, 5265431, 9344286, 10530862, 14016429, 15796293, 28032858, 31592586, 36858017, 47388879, 73716034, 94777758, 110574051, 142166637, 221148102, 284333274, 331722153, 663444306, 995166459, 1990332918]

約数ペア:

[(1, 1990332918), (2, 995166459), (3, 663444306), (6, 331722153), (7, 284333274), (9, 221148102), (14, 142166637), (18, 110574051), (21, 94777758), (27, 73716034), (42, 47388879), (54, 36858017), (63, 31592586), (71, 28032858), (126, 15796293), (142, 14016429), (189, 10530862), (213, 9344286), (378, 5265431), (426, 4672143), (497, 4004694), (639, 3114762), (994, 2002347), (1278, 1557381), (1491, 1334898), (1917, 1038254), (2982, 667449), (3834, 519127), (4473, 444966), (8946, 222483), (13419, 148322), (26838, 74161)]