654413968

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 120

約数和(自身を含む): 1462454016

約数和(自身を除く): 808040048

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 37, 52, 62, 74, 104, 124, 148, 169, 208, 211, 248, 296, 338, 403, 422, 481, 496, 592, 676, 806, 844, 962, 1147, 1352, 1612, 1688, 1924, 2294, 2704, 2743, 3224, 3376, 3848, 4588, 5239, 5486, 6253, 6448, 6541, 7696, 7807, 9176, 10478, 10972, 12506, 13082, 14911, 15614, 18352, 20956, 21944, 25012, 26164, 29822, 31228, 35659, 41912, 43888, 50024, 52328, 59644, 62456, 71318, 83824, 85033, 100048, 101491, 104656, 119288, 124912, 142636, 170066, 193843, 202982, 238576, 242017, 285272, 340132, 387686, 405964, 484034, 570544, 680264, 775372, 811928, 968068, 1105429, 1319383, 1360528, 1550744, 1623856, 1936136, 2210858, 2638766, 3101488, 3146221, 3872272, 4421716, 5277532, 6292442, 8843432, 10555064, 12584884, 17686864, 21110128, 25169768, 40900873, 50339536, 81801746, 163603492, 327206984, 654413968]

約数ペア:

[(1, 654413968), (2, 327206984), (4, 163603492), (8, 81801746), (13, 50339536), (16, 40900873), (26, 25169768), (31, 21110128), (37, 17686864), (52, 12584884), (62, 10555064), (74, 8843432), (104, 6292442), (124, 5277532), (148, 4421716), (169, 3872272), (208, 3146221), (211, 3101488), (248, 2638766), (296, 2210858), (338, 1936136), (403, 1623856), (422, 1550744), (481, 1360528), (496, 1319383), (592, 1105429), (676, 968068), (806, 811928), (844, 775372), (962, 680264), (1147, 570544), (1352, 484034), (1612, 405964), (1688, 387686), (1924, 340132), (2294, 285272), (2704, 242017), (2743, 238576), (3224, 202982), (3376, 193843), (3848, 170066), (4588, 142636), (5239, 124912), (5486, 119288), (6253, 104656), (6448, 101491), (6541, 100048), (7696, 85033), (7807, 83824), (9176, 71318), (10478, 62456), (10972, 59644), (12506, 52328), (13082, 50024), (14911, 43888), (15614, 41912), (18352, 35659), (20956, 31228), (21944, 29822), (25012, 26164)]