391069588

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4951}}^1$

素因数の和:5013

約数の個数: 72

約数和(自身を含む): 885179904

約数和(自身を除く): 494110316

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, 4951, 5642, 6076, 9902, 11284, 19747, 19804, 34657, 39494, 64363, 69314, 78988, 128726, 138628, 153481, 242599, 257452, 306962, 450541, 485198, 613924, 901082, 970396, 1074367, 1802164, 1995253, 2148734, 3153787, 3990506, 4297468, 6307574, 7520569, 7981012, 12615148, 13966771, 15041138, 27933542, 30082276, 55867084, 97767397, 195534794, 391069588]

約数ペア:

[(1, 391069588), (2, 195534794), (4, 97767397), (7, 55867084), (13, 30082276), (14, 27933542), (26, 15041138), (28, 13966771), (31, 12615148), (49, 7981012), (52, 7520569), (62, 6307574), (91, 4297468), (98, 3990506), (124, 3153787), (182, 2148734), (196, 1995253), (217, 1802164), (364, 1074367), (403, 970396), (434, 901082), (637, 613924), (806, 485198), (868, 450541), (1274, 306962), (1519, 257452), (1612, 242599), (2548, 153481), (2821, 138628), (3038, 128726), (4951, 78988), (5642, 69314), (6076, 64363), (9902, 39494), (11284, 34657), (19747, 19804)]