399279945455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{389}}^1\times {\mathrm{769}}^1$

素因数の和:1604

約数の個数: 64

約数和(自身を含む): 523069747200

約数和(自身を除く): 123789801745

約数列:

[1, 5, 17, 41, 85, 205, 383, 389, 697, 769, 1915, 1945, 3485, 3845, 6511, 6613, 13073, 15703, 15949, 31529, 32555, 33065, 65365, 78515, 79745, 148987, 157645, 266951, 271133, 294527, 299141, 535993, 744935, 1334755, 1355665, 1472635, 1495705, 2532779, 2679965, 5006959, 5085397, 6108467, 12075607, 12264781, 12663895, 25034795, 25426985, 30542335, 60378035, 61323905, 103843939, 114571003, 205285319, 208501277, 519219695, 572855015, 1026426595, 1042506385, 1947707051, 4697411123, 9738535255, 23487055615, 79855989091, 399279945455]

約数ペア:

[(1, 399279945455), (5, 79855989091), (17, 23487055615), (41, 9738535255), (85, 4697411123), (205, 1947707051), (383, 1042506385), (389, 1026426595), (697, 572855015), (769, 519219695), (1915, 208501277), (1945, 205285319), (3485, 114571003), (3845, 103843939), (6511, 61323905), (6613, 60378035), (13073, 30542335), (15703, 25426985), (15949, 25034795), (31529, 12663895), (32555, 12264781), (33065, 12075607), (65365, 6108467), (78515, 5085397), (79745, 5006959), (148987, 2679965), (157645, 2532779), (266951, 1495705), (271133, 1472635), (294527, 1355665), (299141, 1334755), (535993, 744935)]