28272738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{431}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 63213696

約数和(自身を除く): 34940958

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 431, 754, 841, 862, 1131, 1293, 1682, 2262, 2523, 2586, 5046, 5603, 10933, 11206, 12499, 16809, 21866, 24998, 32799, 33618, 37497, 65598, 74994, 162487, 324974, 362471, 487461, 724942, 974922, 1087413, 2174826, 4712123, 9424246, 14136369, 28272738]

約数ペア:

[(1, 28272738), (2, 14136369), (3, 9424246), (6, 4712123), (13, 2174826), (26, 1087413), (29, 974922), (39, 724942), (58, 487461), (78, 362471), (87, 324974), (174, 162487), (377, 74994), (431, 65598), (754, 37497), (841, 33618), (862, 32799), (1131, 24998), (1293, 21866), (1682, 16809), (2262, 12499), (2523, 11206), (2586, 10933), (5046, 5603)]