81690084

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10457}}^1$

素因数の和:10505

約数の個数: 72

約数和(自身を含む): 243629568

約数和(自身を除く): 161939484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 10457, 20914, 31371, 41828, 62742, 73199, 94113, 125484, 146398, 188226, 219597, 292796, 324167, 376452, 439194, 648334, 658791, 878388, 972501, 1296668, 1317582, 1945002, 2269169, 2635164, 2917503, 3890004, 4538338, 5835006, 6807507, 9076676, 11670012, 13615014, 20422521, 27230028, 40845042, 81690084]

約数ペア:

[(1, 81690084), (2, 40845042), (3, 27230028), (4, 20422521), (6, 13615014), (7, 11670012), (9, 9076676), (12, 6807507), (14, 5835006), (18, 4538338), (21, 3890004), (28, 2917503), (31, 2635164), (36, 2269169), (42, 1945002), (62, 1317582), (63, 1296668), (84, 972501), (93, 878388), (124, 658791), (126, 648334), (186, 439194), (217, 376452), (252, 324167), (279, 292796), (372, 219597), (434, 188226), (558, 146398), (651, 125484), (868, 94113), (1116, 73199), (1302, 62742), (1953, 41828), (2604, 31371), (3906, 20914), (7812, 10457)]