649202372

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8219}}^1$

素因数の和:8281

約数の個数: 72

約数和(自身を含む): 1469341440

約数和(自身を除く): 820139068

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 364, 403, 434, 637, 806, 868, 1274, 1519, 1612, 2548, 2821, 3038, 5642, 6076, 8219, 11284, 16438, 19747, 32876, 39494, 57533, 78988, 106847, 115066, 213694, 230132, 254789, 402731, 427388, 509578, 747929, 805462, 1019156, 1495858, 1610924, 1783523, 2991716, 3312257, 3567046, 5235503, 6624514, 7134092, 10471006, 12484661, 13249028, 20942012, 23185799, 24969322, 46371598, 49938644, 92743196, 162300593, 324601186, 649202372]

約数ペア:

[(1, 649202372), (2, 324601186), (4, 162300593), (7, 92743196), (13, 49938644), (14, 46371598), (26, 24969322), (28, 23185799), (31, 20942012), (49, 13249028), (52, 12484661), (62, 10471006), (91, 7134092), (98, 6624514), (124, 5235503), (182, 3567046), (196, 3312257), (217, 2991716), (364, 1783523), (403, 1610924), (434, 1495858), (637, 1019156), (806, 805462), (868, 747929), (1274, 509578), (1519, 427388), (1612, 402731), (2548, 254789), (2821, 230132), (3038, 213694), (5642, 115066), (6076, 106847), (8219, 78988), (11284, 57533), (16438, 39494), (19747, 32876)]