128538963890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{64717}}^1$

素因数の和:64947

約数の個数: 64

約数和(自身を含む): 246031948800

約数和(自身を除く): 117492984910

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 149, 155, 215, 298, 310, 430, 745, 1333, 1490, 2666, 4619, 6407, 6665, 9238, 12814, 13330, 23095, 32035, 46190, 64070, 64717, 129434, 198617, 323585, 397234, 647170, 993085, 1986170, 2006227, 2782831, 4012454, 5565662, 9642833, 10031135, 13914155, 19285666, 20062270, 27828310, 48214165, 86267761, 96428330, 172535522, 298927823, 414641819, 431338805, 597855646, 829283638, 862677610, 1494639115, 2073209095, 2989278230, 4146418190, 12853896389, 25707792778, 64269481945, 128538963890]

約数ペア:

[(1, 128538963890), (2, 64269481945), (5, 25707792778), (10, 12853896389), (31, 4146418190), (43, 2989278230), (62, 2073209095), (86, 1494639115), (149, 862677610), (155, 829283638), (215, 597855646), (298, 431338805), (310, 414641819), (430, 298927823), (745, 172535522), (1333, 96428330), (1490, 86267761), (2666, 48214165), (4619, 27828310), (6407, 20062270), (6665, 19285666), (9238, 13914155), (12814, 10031135), (13330, 9642833), (23095, 5565662), (32035, 4012454), (46190, 2782831), (64070, 2006227), (64717, 1986170), (129434, 993085), (198617, 647170), (323585, 397234)]