28725462

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 37802538

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 89, 129, 139, 178, 258, 267, 278, 387, 417, 534, 774, 801, 834, 1161, 1251, 1602, 2322, 2403, 2502, 3753, 3827, 4806, 5977, 7506, 7654, 11481, 11954, 12371, 17931, 22962, 24742, 34443, 35862, 37113, 53793, 68886, 74226, 103329, 107586, 111339, 161379, 206658, 222678, 322758, 334017, 531953, 668034, 1063906, 1595859, 3191718, 4787577, 9575154, 14362731, 28725462]

約数ペア:

[(1, 28725462), (2, 14362731), (3, 9575154), (6, 4787577), (9, 3191718), (18, 1595859), (27, 1063906), (43, 668034), (54, 531953), (86, 334017), (89, 322758), (129, 222678), (139, 206658), (178, 161379), (258, 111339), (267, 107586), (278, 103329), (387, 74226), (417, 68886), (534, 53793), (774, 37113), (801, 35862), (834, 34443), (1161, 24742), (1251, 22962), (1602, 17931), (2322, 12371), (2403, 11954), (2502, 11481), (3753, 7654), (3827, 7506), (4806, 5977)]