640838648

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{13997}}^1$

素因数の和:14159

約数の個数: 32

約数和(自身を含む): 1234623600

約数和(自身を除く): 593784952

約数列:

[1, 2, 4, 8, 59, 97, 118, 194, 236, 388, 472, 776, 5723, 11446, 13997, 22892, 27994, 45784, 55988, 111976, 825823, 1357709, 1651646, 2715418, 3303292, 5430836, 6606584, 10861672, 80104831, 160209662, 320419324, 640838648]

約数ペア:

[(1, 640838648), (2, 320419324), (4, 160209662), (8, 80104831), (59, 10861672), (97, 6606584), (118, 5430836), (194, 3303292), (236, 2715418), (388, 1651646), (472, 1357709), (776, 825823), (5723, 111976), (11446, 55988), (13997, 45784), (22892, 27994)]