64639444

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 123934720

約数和(自身を除く): 59295276

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 127, 148, 181, 254, 362, 508, 703, 724, 1406, 2413, 2812, 3439, 4699, 4826, 6697, 6878, 9398, 9652, 13394, 13756, 18796, 22987, 26788, 45974, 89281, 91948, 127243, 178562, 254486, 357124, 436753, 508972, 850519, 873506, 1701038, 1747012, 3402076, 16159861, 32319722, 64639444]

約数ペア:

[(1, 64639444), (2, 32319722), (4, 16159861), (19, 3402076), (37, 1747012), (38, 1701038), (74, 873506), (76, 850519), (127, 508972), (148, 436753), (181, 357124), (254, 254486), (362, 178562), (508, 127243), (703, 91948), (724, 89281), (1406, 45974), (2413, 26788), (2812, 22987), (3439, 18796), (4699, 13756), (4826, 13394), (6697, 9652), (6878, 9398)]