1631626672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2281}}^1$

素因数の和:2502

約数の個数: 80

約数和(自身を含む): 3605012320

約数和(自身を除く): 1973385648

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 181, 208, 247, 304, 362, 494, 724, 988, 1448, 1976, 2281, 2353, 2896, 3439, 3952, 4562, 4706, 6878, 9124, 9412, 13756, 18248, 18824, 27512, 29653, 36496, 37648, 43339, 44707, 55024, 59306, 86678, 89414, 118612, 173356, 178828, 237224, 346712, 357656, 412861, 474448, 563407, 693424, 715312, 825722, 1126814, 1651444, 2253628, 3302888, 4507256, 5367193, 6605776, 7844359, 9014512, 10734386, 15688718, 21468772, 31377436, 42937544, 62754872, 85875088, 101976667, 125509744, 203953334, 407906668, 815813336, 1631626672]

約数ペア:

[(1, 1631626672), (2, 815813336), (4, 407906668), (8, 203953334), (13, 125509744), (16, 101976667), (19, 85875088), (26, 62754872), (38, 42937544), (52, 31377436), (76, 21468772), (104, 15688718), (152, 10734386), (181, 9014512), (208, 7844359), (247, 6605776), (304, 5367193), (362, 4507256), (494, 3302888), (724, 2253628), (988, 1651444), (1448, 1126814), (1976, 825722), (2281, 715312), (2353, 693424), (2896, 563407), (3439, 474448), (3952, 412861), (4562, 357656), (4706, 346712), (6878, 237224), (9124, 178828), (9412, 173356), (13756, 118612), (18248, 89414), (18824, 86678), (27512, 59306), (29653, 55024), (36496, 44707), (37648, 43339)]