81985428

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{46477}}^1$

素因数の和:46501

約数の個数: 54

約数和(自身を含む): 241081386

約数和(自身を除く): 159095958

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 46477, 92954, 139431, 185908, 278862, 325339, 418293, 557724, 650678, 836586, 976017, 1301356, 1673172, 1952034, 2277373, 2928051, 3904068, 4554746, 5856102, 6832119, 9109492, 11712204, 13664238, 20496357, 27328476, 40992714, 81985428]

約数ペア:

[(1, 81985428), (2, 40992714), (3, 27328476), (4, 20496357), (6, 13664238), (7, 11712204), (9, 9109492), (12, 6832119), (14, 5856102), (18, 4554746), (21, 3904068), (28, 2928051), (36, 2277373), (42, 1952034), (49, 1673172), (63, 1301356), (84, 976017), (98, 836586), (126, 650678), (147, 557724), (196, 418293), (252, 325339), (294, 278862), (441, 185908), (588, 139431), (882, 92954), (1764, 46477)]