31508412

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^2$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 84608496

約数和(自身を除く): 53100084

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 109, 156, 204, 218, 221, 327, 436, 442, 654, 663, 884, 1308, 1326, 1417, 1853, 2652, 2834, 3706, 4251, 5559, 5668, 7412, 8502, 11118, 11881, 17004, 22236, 23762, 24089, 35643, 47524, 48178, 71286, 72267, 96356, 142572, 144534, 154453, 201977, 289068, 308906, 403954, 463359, 605931, 617812, 807908, 926718, 1211862, 1853436, 2423724, 2625701, 5251402, 7877103, 10502804, 15754206, 31508412]

約数ペア:

[(1, 31508412), (2, 15754206), (3, 10502804), (4, 7877103), (6, 5251402), (12, 2625701), (13, 2423724), (17, 1853436), (26, 1211862), (34, 926718), (39, 807908), (51, 617812), (52, 605931), (68, 463359), (78, 403954), (102, 308906), (109, 289068), (156, 201977), (204, 154453), (218, 144534), (221, 142572), (327, 96356), (436, 72267), (442, 71286), (654, 48178), (663, 47524), (884, 35643), (1308, 24089), (1326, 23762), (1417, 22236), (1853, 17004), (2652, 11881), (2834, 11118), (3706, 8502), (4251, 7412), (5559, 5668)]