389627838

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{47}}^2\times {\mathrm{239}}^1$

素因数の和:382

約数の個数: 72

約数和(自身を含む): 887271840

約数和(自身を除く): 497644002

約数列:

[1, 2, 3, 6, 9, 18, 41, 47, 82, 94, 123, 141, 239, 246, 282, 369, 423, 478, 717, 738, 846, 1434, 1927, 2151, 2209, 3854, 4302, 4418, 5781, 6627, 9799, 11233, 11562, 13254, 17343, 19598, 19881, 22466, 29397, 33699, 34686, 39762, 58794, 67398, 88191, 90569, 101097, 176382, 181138, 202194, 271707, 460553, 527951, 543414, 815121, 921106, 1055902, 1381659, 1583853, 1630242, 2763318, 3167706, 4144977, 4751559, 8289954, 9503118, 21645991, 43291982, 64937973, 129875946, 194813919, 389627838]

約数ペア:

[(1, 389627838), (2, 194813919), (3, 129875946), (6, 64937973), (9, 43291982), (18, 21645991), (41, 9503118), (47, 8289954), (82, 4751559), (94, 4144977), (123, 3167706), (141, 2763318), (239, 1630242), (246, 1583853), (282, 1381659), (369, 1055902), (423, 921106), (478, 815121), (717, 543414), (738, 527951), (846, 460553), (1434, 271707), (1927, 202194), (2151, 181138), (2209, 176382), (3854, 101097), (4302, 90569), (4418, 88191), (5781, 67398), (6627, 58794), (9799, 39762), (11233, 34686), (11562, 33699), (13254, 29397), (17343, 22466), (19598, 19881)]