208789464

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21587}}^1$

素因数の和:21640

約数の個数: 64

約数和(自身を含む): 580285440

約数和(自身を除く): 371495976

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 1209, 1612, 2418, 3224, 4836, 9672, 21587, 43174, 64761, 86348, 129522, 172696, 259044, 280631, 518088, 561262, 669197, 841893, 1122524, 1338394, 1683786, 2007591, 2245048, 2676788, 3367572, 4015182, 5353576, 6735144, 8030364, 8699561, 16060728, 17399122, 26098683, 34798244, 52197366, 69596488, 104394732, 208789464]

約数ペア:

[(1, 208789464), (2, 104394732), (3, 69596488), (4, 52197366), (6, 34798244), (8, 26098683), (12, 17399122), (13, 16060728), (24, 8699561), (26, 8030364), (31, 6735144), (39, 5353576), (52, 4015182), (62, 3367572), (78, 2676788), (93, 2245048), (104, 2007591), (124, 1683786), (156, 1338394), (186, 1122524), (248, 841893), (312, 669197), (372, 561262), (403, 518088), (744, 280631), (806, 259044), (1209, 172696), (1612, 129522), (2418, 86348), (3224, 64761), (4836, 43174), (9672, 21587)]