19775173825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{3851}}^1$

素因数の和:4206

約数の個数: 48

約数和(自身を含む): 27237399552

約数和(自身を除く): 7462225727

約数列:

[1, 5, 11, 25, 55, 71, 263, 275, 355, 781, 1315, 1775, 2893, 3851, 3905, 6575, 14465, 18673, 19255, 19525, 42361, 72325, 93365, 96275, 205403, 211805, 273421, 466825, 1012813, 1027015, 1059025, 1367105, 3007631, 5064065, 5135075, 6835525, 11140943, 15038155, 25320325, 55704715, 71909723, 75190775, 278523575, 359548615, 791006953, 1797743075, 3955034765, 19775173825]

約数ペア:

[(1, 19775173825), (5, 3955034765), (11, 1797743075), (25, 791006953), (55, 359548615), (71, 278523575), (263, 75190775), (275, 71909723), (355, 55704715), (781, 25320325), (1315, 15038155), (1775, 11140943), (2893, 6835525), (3851, 5135075), (3905, 5064065), (6575, 3007631), (14465, 1367105), (18673, 1059025), (19255, 1027015), (19525, 1012813), (42361, 466825), (72325, 273421), (93365, 211805), (96275, 205403)]