28507986

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4201}}^1$

素因数の和:4251

約数の個数: 48

約数和(自身を含む): 68828760

約数和(自身を除く): 40320774

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 29, 39, 58, 78, 87, 117, 174, 234, 261, 377, 522, 754, 1131, 2262, 3393, 4201, 6786, 8402, 12603, 25206, 37809, 54613, 75618, 109226, 121829, 163839, 243658, 327678, 365487, 491517, 730974, 983034, 1096461, 1583777, 2192922, 3167554, 4751331, 9502662, 14253993, 28507986]

約数ペア:

[(1, 28507986), (2, 14253993), (3, 9502662), (6, 4751331), (9, 3167554), (13, 2192922), (18, 1583777), (26, 1096461), (29, 983034), (39, 730974), (58, 491517), (78, 365487), (87, 327678), (117, 243658), (174, 163839), (234, 121829), (261, 109226), (377, 75618), (522, 54613), (754, 37809), (1131, 25206), (2262, 12603), (3393, 8402), (4201, 6786)]