68867372

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 142248960

約数和(自身を除く): 73381588

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 239, 251, 287, 478, 502, 574, 956, 1004, 1148, 1673, 1757, 3346, 3514, 6692, 7028, 9799, 10291, 19598, 20582, 39196, 41164, 59989, 68593, 72037, 119978, 137186, 144074, 239956, 274372, 288148, 419923, 839846, 1679692, 2459549, 4919098, 9838196, 17216843, 34433686, 68867372]

約数ペア:

[(1, 68867372), (2, 34433686), (4, 17216843), (7, 9838196), (14, 4919098), (28, 2459549), (41, 1679692), (82, 839846), (164, 419923), (239, 288148), (251, 274372), (287, 239956), (478, 144074), (502, 137186), (574, 119978), (956, 72037), (1004, 68593), (1148, 59989), (1673, 41164), (1757, 39196), (3346, 20582), (3514, 19598), (6692, 10291), (7028, 9799)]