394243616

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1682

約数の個数: 96

約数和(自身を含む): 908812800

約数和(自身を除く): 514569184

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 416, 494, 496, 589, 608, 806, 988, 992, 1178, 1609, 1612, 1976, 2356, 3218, 3224, 3952, 4712, 6436, 6448, 7657, 7904, 9424, 12872, 12896, 15314, 18848, 20917, 25744, 30571, 30628, 41834, 49879, 51488, 61142, 61256, 83668, 99758, 122284, 122512, 167336, 199516, 244568, 245024, 334672, 397423, 399032, 489136, 648427, 669344, 794846, 798064, 947701, 978272, 1296854, 1589692, 1596128, 1895402, 2593708, 3179384, 3790804, 5187416, 6358768, 7581608, 10374832, 12320113, 12717536, 15163216, 20749664, 24640226, 30326432, 49280452, 98560904, 197121808, 394243616]

約数ペア:

[(1, 394243616), (2, 197121808), (4, 98560904), (8, 49280452), (13, 30326432), (16, 24640226), (19, 20749664), (26, 15163216), (31, 12717536), (32, 12320113), (38, 10374832), (52, 7581608), (62, 6358768), (76, 5187416), (104, 3790804), (124, 3179384), (152, 2593708), (208, 1895402), (247, 1596128), (248, 1589692), (304, 1296854), (403, 978272), (416, 947701), (494, 798064), (496, 794846), (589, 669344), (608, 648427), (806, 489136), (988, 399032), (992, 397423), (1178, 334672), (1609, 245024), (1612, 244568), (1976, 199516), (2356, 167336), (3218, 122512), (3224, 122284), (3952, 99758), (4712, 83668), (6436, 61256), (6448, 61142), (7657, 51488), (7904, 49879), (9424, 41834), (12872, 30628), (12896, 30571), (15314, 25744), (18848, 20917)]