201531384

素因数分解:

$2^3\times 3^2\times {\mathrm{137}}^1\times {\mathrm{20431}}^1$

素因数の和:20580

約数の個数: 48

約数和(自身を含む): 549825120

約数和(自身を除く): 348293736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 137, 274, 411, 548, 822, 1096, 1233, 1644, 2466, 3288, 4932, 9864, 20431, 40862, 61293, 81724, 122586, 163448, 183879, 245172, 367758, 490344, 735516, 1471032, 2799047, 5598094, 8397141, 11196188, 16794282, 22392376, 25191423, 33588564, 50382846, 67177128, 100765692, 201531384]

約数ペア:

[(1, 201531384), (2, 100765692), (3, 67177128), (4, 50382846), (6, 33588564), (8, 25191423), (9, 22392376), (12, 16794282), (18, 11196188), (24, 8397141), (36, 5598094), (72, 2799047), (137, 1471032), (274, 735516), (411, 490344), (548, 367758), (822, 245172), (1096, 183879), (1233, 163448), (1644, 122586), (2466, 81724), (3288, 61293), (4932, 40862), (9864, 20431)]