239730296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{121321}}^1$

素因数の和:121359

約数の個数: 32

約数和(自身を含む): 509552400

約数和(自身を除く): 269822104

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 121321, 242642, 485284, 970568, 1577173, 2305099, 3154346, 4610198, 6308692, 9220396, 12617384, 18440792, 29966287, 59932574, 119865148, 239730296]

約数ペア:

[(1, 239730296), (2, 119865148), (4, 59932574), (8, 29966287), (13, 18440792), (19, 12617384), (26, 9220396), (38, 6308692), (52, 4610198), (76, 3154346), (104, 2305099), (152, 1577173), (247, 970568), (494, 485284), (988, 242642), (1976, 121321)]