72405424

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^2$

素因数の和:474

約数の個数: 60

約数和(自身を含む): 173436816

約数和(自身を除く): 101031392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 223, 364, 446, 728, 892, 1456, 1561, 1784, 2899, 3122, 3568, 5798, 6244, 11596, 12488, 20293, 23192, 24976, 40586, 46384, 49729, 81172, 99458, 162344, 198916, 324688, 348103, 397832, 646477, 696206, 795664, 1292954, 1392412, 2585908, 2784824, 4525339, 5171816, 5569648, 9050678, 10343632, 18101356, 36202712, 72405424]

約数ペア:

[(1, 72405424), (2, 36202712), (4, 18101356), (7, 10343632), (8, 9050678), (13, 5569648), (14, 5171816), (16, 4525339), (26, 2784824), (28, 2585908), (52, 1392412), (56, 1292954), (91, 795664), (104, 696206), (112, 646477), (182, 397832), (208, 348103), (223, 324688), (364, 198916), (446, 162344), (728, 99458), (892, 81172), (1456, 49729), (1561, 46384), (1784, 40586), (2899, 24976), (3122, 23192), (3568, 20293), (5798, 12488), (6244, 11596)]