1387653061844

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{9282457}}^1$

素因数の和:9282768

約数の個数: 48

約数和(自身を含む): 2931771534720

約数和(自身を除く): 1544118472876

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 281, 532, 562, 1124, 1967, 3934, 5339, 7868, 10678, 21356, 37373, 74746, 149492, 9282457, 18564914, 37129828, 64977199, 129954398, 176366683, 259908796, 352733366, 705466732, 1234566781, 2469133562, 2608370417, 4938267124, 5216740834, 10433481668, 18258592919, 36517185838, 49559037923, 73034371676, 99118075846, 198236151692, 346913265461, 693826530922, 1387653061844]

約数ペア:

[(1, 1387653061844), (2, 693826530922), (4, 346913265461), (7, 198236151692), (14, 99118075846), (19, 73034371676), (28, 49559037923), (38, 36517185838), (76, 18258592919), (133, 10433481668), (266, 5216740834), (281, 4938267124), (532, 2608370417), (562, 2469133562), (1124, 1234566781), (1967, 705466732), (3934, 352733366), (5339, 259908796), (7868, 176366683), (10678, 129954398), (21356, 64977199), (37373, 37129828), (74746, 18564914), (149492, 9282457)]