31481275670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{194197}}^1$

素因数の和:194289

約数の個数: 64

約数和(自身を含む): 64598022720

約数和(自身を除く): 33116747050

約数列:

[1, 2, 5, 10, 13, 26, 29, 43, 58, 65, 86, 130, 145, 215, 290, 377, 430, 559, 754, 1118, 1247, 1885, 2494, 2795, 3770, 5590, 6235, 12470, 16211, 32422, 81055, 162110, 194197, 388394, 970985, 1941970, 2524561, 5049122, 5631713, 8350471, 11263426, 12622805, 16700942, 25245610, 28158565, 41752355, 56317130, 73212269, 83504710, 108556123, 146424538, 217112246, 242163659, 366061345, 484327318, 542780615, 732122690, 1085561230, 1210818295, 2421636590, 3148127567, 6296255134, 15740637835, 31481275670]

約数ペア:

[(1, 31481275670), (2, 15740637835), (5, 6296255134), (10, 3148127567), (13, 2421636590), (26, 1210818295), (29, 1085561230), (43, 732122690), (58, 542780615), (65, 484327318), (86, 366061345), (130, 242163659), (145, 217112246), (215, 146424538), (290, 108556123), (377, 83504710), (430, 73212269), (559, 56317130), (754, 41752355), (1118, 28158565), (1247, 25245610), (1885, 16700942), (2494, 12622805), (2795, 11263426), (3770, 8350471), (5590, 5631713), (6235, 5049122), (12470, 2524561), (16211, 1941970), (32422, 970985), (81055, 388394), (162110, 194197)]