171956876

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 391372800

約数和(自身を除く): 219415924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 311, 343, 364, 403, 434, 622, 637, 686, 806, 868, 1244, 1274, 1372, 1519, 1612, 2177, 2548, 2821, 3038, 4043, 4354, 4459, 5642, 6076, 8086, 8708, 8918, 9641, 10633, 11284, 15239, 16172, 17836, 19282, 19747, 21266, 28301, 30478, 38564, 39494, 42532, 56602, 60956, 67487, 78988, 106673, 113204, 125333, 134974, 138229, 198107, 213346, 250666, 269948, 276458, 396214, 426692, 472409, 501332, 552916, 792428, 877331, 944818, 1386749, 1754662, 1889636, 2773498, 3306863, 3509324, 5546996, 6141317, 6613726, 12282634, 13227452, 24565268, 42989219, 85978438, 171956876]

約数ペア:

[(1, 171956876), (2, 85978438), (4, 42989219), (7, 24565268), (13, 13227452), (14, 12282634), (26, 6613726), (28, 6141317), (31, 5546996), (49, 3509324), (52, 3306863), (62, 2773498), (91, 1889636), (98, 1754662), (124, 1386749), (182, 944818), (196, 877331), (217, 792428), (311, 552916), (343, 501332), (364, 472409), (403, 426692), (434, 396214), (622, 276458), (637, 269948), (686, 250666), (806, 213346), (868, 198107), (1244, 138229), (1274, 134974), (1372, 125333), (1519, 113204), (1612, 106673), (2177, 78988), (2548, 67487), (2821, 60956), (3038, 56602), (4043, 42532), (4354, 39494), (4459, 38564), (5642, 30478), (6076, 28301), (8086, 21266), (8708, 19747), (8918, 19282), (9641, 17836), (10633, 16172), (11284, 15239)]