222730768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{56359}}^1$

素因数の和:56399

約数の個数: 40

約数和(自身を含む): 489204800

約数和(自身を除く): 266474032

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 56359, 112718, 225436, 450872, 732667, 901744, 1070821, 1465334, 2141642, 2930668, 4283284, 5861336, 8566568, 11722672, 13920673, 17133136, 27841346, 55682692, 111365384, 222730768]

約数ペア:

[(1, 222730768), (2, 111365384), (4, 55682692), (8, 27841346), (13, 17133136), (16, 13920673), (19, 11722672), (26, 8566568), (38, 5861336), (52, 4283284), (76, 2930668), (104, 2141642), (152, 1465334), (208, 1070821), (247, 901744), (304, 732667), (494, 450872), (988, 225436), (1976, 112718), (3952, 56359)]