1238981504

素因数分解:

$2^7\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1075

約数の個数: 64

約数和(自身を含む): 2518992000

約数和(自身を除く): 1280010496

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 139, 166, 278, 332, 556, 664, 839, 1112, 1328, 1678, 2224, 2656, 3356, 4448, 5312, 6712, 8896, 10624, 11537, 13424, 17792, 23074, 26848, 46148, 53696, 69637, 92296, 107392, 116621, 139274, 184592, 233242, 278548, 369184, 466484, 557096, 738368, 932968, 1114192, 1476736, 1865936, 2228384, 3731872, 4456768, 7463744, 8913536, 9679543, 14927488, 19359086, 38718172, 77436344, 154872688, 309745376, 619490752, 1238981504]

約数ペア:

[(1, 1238981504), (2, 619490752), (4, 309745376), (8, 154872688), (16, 77436344), (32, 38718172), (64, 19359086), (83, 14927488), (128, 9679543), (139, 8913536), (166, 7463744), (278, 4456768), (332, 3731872), (556, 2228384), (664, 1865936), (839, 1476736), (1112, 1114192), (1328, 932968), (1678, 738368), (2224, 557096), (2656, 466484), (3356, 369184), (4448, 278548), (5312, 233242), (6712, 184592), (8896, 139274), (10624, 116621), (11537, 107392), (13424, 92296), (17792, 69637), (23074, 53696), (26848, 46148)]