28655172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8747}}^1$

素因数の和:8777

約数の個数: 72

約数和(自身を含む): 89159616

約数和(自身を除く): 60504444

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, 8747, 17494, 26241, 34988, 52482, 61229, 78723, 104964, 113711, 122458, 157446, 183687, 227422, 244916, 314892, 341133, 367374, 454844, 551061, 682266, 734748, 795977, 1023399, 1102122, 1364532, 1591954, 2046798, 2204244, 2387931, 3183908, 4093596, 4775862, 7163793, 9551724, 14327586, 28655172]

約数ペア:

[(1, 28655172), (2, 14327586), (3, 9551724), (4, 7163793), (6, 4775862), (7, 4093596), (9, 3183908), (12, 2387931), (13, 2204244), (14, 2046798), (18, 1591954), (21, 1364532), (26, 1102122), (28, 1023399), (36, 795977), (39, 734748), (42, 682266), (52, 551061), (63, 454844), (78, 367374), (84, 341133), (91, 314892), (117, 244916), (126, 227422), (156, 183687), (182, 157446), (234, 122458), (252, 113711), (273, 104964), (364, 78723), (468, 61229), (546, 52482), (819, 34988), (1092, 26241), (1638, 17494), (3276, 8747)]