2187129968248

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{2137}}^1\times {\mathrm{354383}}^1$

素因数の和:356564

約数の個数: 48

約数和(自身を含む): 4330101149280

約数和(自身を除く): 2142971181032

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2137, 2888, 4274, 8548, 17096, 40603, 81206, 162412, 324824, 354383, 708766, 771457, 1417532, 1542914, 2835064, 3085828, 6171656, 6733277, 13466554, 26933108, 53866216, 127932263, 255864526, 511729052, 757316471, 1023458104, 1514632942, 3029265884, 6058531768, 14389012949, 28778025898, 57556051796, 115112103592, 273391246031, 546782492062, 1093564984124, 2187129968248]

約数ペア:

[(1, 2187129968248), (2, 1093564984124), (4, 546782492062), (8, 273391246031), (19, 115112103592), (38, 57556051796), (76, 28778025898), (152, 14389012949), (361, 6058531768), (722, 3029265884), (1444, 1514632942), (2137, 1023458104), (2888, 757316471), (4274, 511729052), (8548, 255864526), (17096, 127932263), (40603, 53866216), (81206, 26933108), (162412, 13466554), (324824, 6733277), (354383, 6171656), (708766, 3085828), (771457, 2835064), (1417532, 1542914)]