28425852

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8677}}^1$

素因数の和:8707

約数の個数: 72

約数和(自身を含む): 88446176

約数和(自身を除く): 60020324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 8677, 17354, 26031, 34708, 52062, 60739, 78093, 104124, 112801, 121478, 156186, 182217, 225602, 242956, 312372, 338403, 364434, 451204, 546651, 676806, 728868, 789607, 1015209, 1093302, 1353612, 1579214, 2030418, 2186604, 2368821, 3158428, 4060836, 4737642, 7106463, 9475284, 14212926, 28425852]

約数ペア:

[(1, 28425852), (2, 14212926), (3, 9475284), (4, 7106463), (6, 4737642), (7, 4060836), (9, 3158428), (12, 2368821), (13, 2186604), (14, 2030418), (18, 1579214), (21, 1353612), (26, 1093302), (28, 1015209), (36, 789607), (39, 728868), (42, 676806), (52, 546651), (63, 451204), (78, 364434), (84, 338403), (91, 312372), (117, 242956), (126, 225602), (156, 182217), (182, 156186), (234, 121478), (252, 112801), (273, 104124), (364, 78093), (468, 60739), (546, 52062), (819, 34708), (1092, 26031), (1638, 17354), (3276, 8677)]