81966962

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 164229120

約数和(自身を除く): 82262158

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 131, 154, 187, 238, 239, 262, 374, 478, 917, 1309, 1441, 1673, 1834, 2227, 2618, 2629, 2882, 3346, 4063, 4454, 5258, 8126, 10087, 15589, 18403, 20174, 24497, 28441, 31178, 31309, 36806, 44693, 48994, 56882, 62618, 89386, 171479, 219163, 312851, 342958, 344399, 438326, 532253, 625702, 688798, 1064506, 2410793, 3725771, 4821586, 5854783, 7451542, 11709566, 40983481, 81966962]

約数ペア:

[(1, 81966962), (2, 40983481), (7, 11709566), (11, 7451542), (14, 5854783), (17, 4821586), (22, 3725771), (34, 2410793), (77, 1064506), (119, 688798), (131, 625702), (154, 532253), (187, 438326), (238, 344399), (239, 342958), (262, 312851), (374, 219163), (478, 171479), (917, 89386), (1309, 62618), (1441, 56882), (1673, 48994), (1834, 44693), (2227, 36806), (2618, 31309), (2629, 31178), (2882, 28441), (3346, 24497), (4063, 20174), (4454, 18403), (5258, 15589), (8126, 10087)]