156949156

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2049

約数の個数: 72

約数和(自身を含む): 355358976

約数和(自身を除く): 198409820

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, 1987, 2548, 2821, 3038, 3974, 5642, 6076, 7948, 11284, 13909, 19747, 25831, 27818, 39494, 51662, 55636, 61597, 78988, 97363, 103324, 123194, 180817, 194726, 246388, 361634, 389452, 431179, 723268, 800761, 862358, 1265719, 1601522, 1724716, 2531438, 3018253, 3203044, 5062876, 5605327, 6036506, 11210654, 12073012, 22421308, 39237289, 78474578, 156949156]

約数ペア:

[(1, 156949156), (2, 78474578), (4, 39237289), (7, 22421308), (13, 12073012), (14, 11210654), (26, 6036506), (28, 5605327), (31, 5062876), (49, 3203044), (52, 3018253), (62, 2531438), (91, 1724716), (98, 1601522), (124, 1265719), (182, 862358), (196, 800761), (217, 723268), (364, 431179), (403, 389452), (434, 361634), (637, 246388), (806, 194726), (868, 180817), (1274, 123194), (1519, 103324), (1612, 97363), (1987, 78988), (2548, 61597), (2821, 55636), (3038, 51662), (3974, 39494), (5642, 27818), (6076, 25831), (7948, 19747), (11284, 13909)]