1891308016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2141}}^1$

素因数の和:2330

約数の個数: 80

約数和(自身を含む): 4105237248

約数和(自身を除く): 2213929232

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 137, 208, 248, 274, 403, 496, 548, 806, 1096, 1612, 1781, 2141, 2192, 3224, 3562, 4247, 4282, 6448, 7124, 8494, 8564, 14248, 16988, 17128, 27833, 28496, 33976, 34256, 55211, 55666, 66371, 67952, 110422, 111332, 132742, 220844, 222664, 265484, 293317, 441688, 445328, 530968, 586634, 862823, 883376, 1061936, 1173268, 1725646, 2346536, 3451292, 3813121, 4693072, 6902584, 7626242, 9092827, 13805168, 15252484, 18185654, 30504968, 36371308, 61009936, 72742616, 118206751, 145485232, 236413502, 472827004, 945654008, 1891308016]

約数ペア:

[(1, 1891308016), (2, 945654008), (4, 472827004), (8, 236413502), (13, 145485232), (16, 118206751), (26, 72742616), (31, 61009936), (52, 36371308), (62, 30504968), (104, 18185654), (124, 15252484), (137, 13805168), (208, 9092827), (248, 7626242), (274, 6902584), (403, 4693072), (496, 3813121), (548, 3451292), (806, 2346536), (1096, 1725646), (1612, 1173268), (1781, 1061936), (2141, 883376), (2192, 862823), (3224, 586634), (3562, 530968), (4247, 445328), (4282, 441688), (6448, 293317), (7124, 265484), (8494, 222664), (8564, 220844), (14248, 132742), (16988, 111332), (17128, 110422), (27833, 67952), (28496, 66371), (33976, 55666), (34256, 55211)]