1970820598825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{8521}}^1\times {\mathrm{6529}}^1$

素因数の和:15182

約数の個数: 48

約数和(自身を含む): 2656667028400

約数和(自身を除く): 685846429575

約数列:

[1, 5, 13, 25, 65, 109, 325, 545, 1417, 2725, 6529, 7085, 8521, 32645, 35425, 42605, 84877, 110773, 163225, 213025, 424385, 553865, 711661, 928789, 2121925, 2769325, 3558305, 4643945, 9251593, 12074257, 17791525, 23219725, 46257965, 55633609, 60371285, 231289825, 278168045, 301856425, 723236917, 1390840225, 3616184585, 6064063381, 18080922925, 30320316905, 78832823953, 151601584525, 394164119765, 1970820598825]

約数ペア:

[(1, 1970820598825), (5, 394164119765), (13, 151601584525), (25, 78832823953), (65, 30320316905), (109, 18080922925), (325, 6064063381), (545, 3616184585), (1417, 1390840225), (2725, 723236917), (6529, 301856425), (7085, 278168045), (8521, 231289825), (32645, 60371285), (35425, 55633609), (42605, 46257965), (84877, 23219725), (110773, 17791525), (163225, 12074257), (213025, 9251593), (424385, 4643945), (553865, 3558305), (711661, 2769325), (928789, 2121925)]