78194272

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:816

約数の個数: 72

約数和(自身を含む): 175701960

約数和(自身を除く): 97507688

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 169, 208, 247, 304, 338, 416, 494, 608, 676, 761, 988, 1352, 1522, 1976, 2704, 3044, 3211, 3952, 5408, 6088, 6422, 7904, 9893, 12176, 12844, 14459, 19786, 24352, 25688, 28918, 39572, 51376, 57836, 79144, 102752, 115672, 128609, 158288, 187967, 231344, 257218, 316576, 375934, 462688, 514436, 751868, 1028872, 1503736, 2057744, 2443571, 3007472, 4115488, 4887142, 6014944, 9774284, 19548568, 39097136, 78194272]

約数ペア:

[(1, 78194272), (2, 39097136), (4, 19548568), (8, 9774284), (13, 6014944), (16, 4887142), (19, 4115488), (26, 3007472), (32, 2443571), (38, 2057744), (52, 1503736), (76, 1028872), (104, 751868), (152, 514436), (169, 462688), (208, 375934), (247, 316576), (304, 257218), (338, 231344), (416, 187967), (494, 158288), (608, 128609), (676, 115672), (761, 102752), (988, 79144), (1352, 57836), (1522, 51376), (1976, 39572), (2704, 28918), (3044, 25688), (3211, 24352), (3952, 19786), (5408, 14459), (6088, 12844), (6422, 12176), (7904, 9893)]