210949895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 280857024

約数和(自身を除く): 69907129

約数列:

[1, 5, 13, 61, 65, 83, 305, 415, 641, 793, 1079, 3205, 3965, 5063, 5395, 8333, 25315, 39101, 41665, 53203, 65819, 195505, 266015, 329095, 508313, 691639, 2541565, 3245383, 3458195, 16226915, 42189979, 210949895]

約数ペア:

[(1, 210949895), (5, 42189979), (13, 16226915), (61, 3458195), (65, 3245383), (83, 2541565), (305, 691639), (415, 508313), (641, 329095), (793, 266015), (1079, 195505), (3205, 65819), (3965, 53203), (5063, 41665), (5395, 39101), (8333, 25315)]