491069072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1229}}^1$

素因数の和:1380

約数の個数: 80

約数和(自身を含む): 1095398640

約数和(自身を除く): 604329568

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 113, 136, 208, 221, 226, 272, 442, 452, 884, 904, 1229, 1469, 1768, 1808, 1921, 2458, 2938, 3536, 3842, 4916, 5876, 7684, 9832, 11752, 15368, 15977, 19664, 20893, 23504, 24973, 30736, 31954, 41786, 49946, 63908, 83572, 99892, 127816, 138877, 167144, 199784, 255632, 271609, 277754, 334288, 399568, 543218, 555508, 1086436, 1111016, 1805401, 2172872, 2222032, 2360909, 3610802, 4345744, 4721818, 7221604, 9443636, 14443208, 18887272, 28886416, 30691817, 37774544, 61383634, 122767268, 245534536, 491069072]

約数ペア:

[(1, 491069072), (2, 245534536), (4, 122767268), (8, 61383634), (13, 37774544), (16, 30691817), (17, 28886416), (26, 18887272), (34, 14443208), (52, 9443636), (68, 7221604), (104, 4721818), (113, 4345744), (136, 3610802), (208, 2360909), (221, 2222032), (226, 2172872), (272, 1805401), (442, 1111016), (452, 1086436), (884, 555508), (904, 543218), (1229, 399568), (1469, 334288), (1768, 277754), (1808, 271609), (1921, 255632), (2458, 199784), (2938, 167144), (3536, 138877), (3842, 127816), (4916, 99892), (5876, 83572), (7684, 63908), (9832, 49946), (11752, 41786), (15368, 31954), (15977, 30736), (19664, 24973), (20893, 23504)]