31220826

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 77500416

約数和(自身を除く): 46279590

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 211, 271, 273, 422, 542, 546, 633, 813, 1266, 1477, 1626, 1897, 2743, 2954, 3523, 3794, 4431, 5486, 5691, 7046, 8229, 8862, 10569, 11382, 16458, 19201, 21138, 24661, 38402, 49322, 57181, 57603, 73983, 114362, 115206, 147966, 171543, 343086, 400267, 743353, 800534, 1200801, 1486706, 2230059, 2401602, 4460118, 5203471, 10406942, 15610413, 31220826]

約数ペア:

[(1, 31220826), (2, 15610413), (3, 10406942), (6, 5203471), (7, 4460118), (13, 2401602), (14, 2230059), (21, 1486706), (26, 1200801), (39, 800534), (42, 743353), (78, 400267), (91, 343086), (182, 171543), (211, 147966), (271, 115206), (273, 114362), (422, 73983), (542, 57603), (546, 57181), (633, 49322), (813, 38402), (1266, 24661), (1477, 21138), (1626, 19201), (1897, 16458), (2743, 11382), (2954, 10569), (3523, 8862), (3794, 8229), (4431, 7046), (5486, 5691)]