644571990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{56393}}^1$

素因数の和:56533

約数の個数: 48

約数和(自身を含む): 1689113088

約数和(自身を除く): 1044541098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 127, 254, 381, 635, 762, 1143, 1270, 1905, 2286, 3810, 5715, 11430, 56393, 112786, 169179, 281965, 338358, 507537, 563930, 845895, 1015074, 1691790, 2537685, 5075370, 7161911, 14323822, 21485733, 35809555, 42971466, 64457199, 71619110, 107428665, 128914398, 214857330, 322285995, 644571990]

約数ペア:

[(1, 644571990), (2, 322285995), (3, 214857330), (5, 128914398), (6, 107428665), (9, 71619110), (10, 64457199), (15, 42971466), (18, 35809555), (30, 21485733), (45, 14323822), (90, 7161911), (127, 5075370), (254, 2537685), (381, 1691790), (635, 1015074), (762, 845895), (1143, 563930), (1270, 507537), (1905, 338358), (2286, 281965), (3810, 169179), (5715, 112786), (11430, 56393)]