399827848

素因数分解:

$2^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{12911}}^1$

素因数の和:13010

約数の個数: 48

約数和(自身を含む): 883180800

約数和(自身を除く): 483352952

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 79, 98, 158, 196, 316, 392, 553, 632, 1106, 2212, 3871, 4424, 7742, 12911, 15484, 25822, 30968, 51644, 90377, 103288, 180754, 361508, 632639, 723016, 1019969, 1265278, 2039938, 2530556, 4079876, 5061112, 7139783, 8159752, 14279566, 28559132, 49978481, 57118264, 99956962, 199913924, 399827848]

約数ペア:

[(1, 399827848), (2, 199913924), (4, 99956962), (7, 57118264), (8, 49978481), (14, 28559132), (28, 14279566), (49, 8159752), (56, 7139783), (79, 5061112), (98, 4079876), (158, 2530556), (196, 2039938), (316, 1265278), (392, 1019969), (553, 723016), (632, 632639), (1106, 361508), (2212, 180754), (3871, 103288), (4424, 90377), (7742, 51644), (12911, 30968), (15484, 25822)]