399171838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{1163}}^1$

素因数の和:1528

約数の個数: 32

約数和(自身を含む): 662530176

約数和(自身を除く): 263358338

約数列:

[1, 2, 13, 26, 43, 86, 307, 559, 614, 1118, 1163, 2326, 3991, 7982, 13201, 15119, 26402, 30238, 50009, 100018, 171613, 343226, 357041, 650117, 714082, 1300234, 4641533, 9283066, 15352763, 30705526, 199585919, 399171838]

約数ペア:

[(1, 399171838), (2, 199585919), (13, 30705526), (26, 15352763), (43, 9283066), (86, 4641533), (307, 1300234), (559, 714082), (614, 650117), (1118, 357041), (1163, 343226), (2326, 171613), (3991, 100018), (7982, 50009), (13201, 30238), (15119, 26402)]