838964516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1\times {\mathrm{617}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 1608579840

約数和(自身を除く): 769615324

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 331, 617, 662, 1027, 1234, 1324, 2054, 2468, 4108, 4303, 8021, 8606, 16042, 17212, 26149, 32084, 48743, 52298, 97486, 104596, 194972, 204227, 339937, 408454, 633659, 679874, 816908, 1267318, 1359748, 2534636, 2654951, 5309902, 10619804, 16133933, 32267866, 64535732, 209741129, 419482258, 838964516]

約数ペア:

[(1, 838964516), (2, 419482258), (4, 209741129), (13, 64535732), (26, 32267866), (52, 16133933), (79, 10619804), (158, 5309902), (316, 2654951), (331, 2534636), (617, 1359748), (662, 1267318), (1027, 816908), (1234, 679874), (1324, 633659), (2054, 408454), (2468, 339937), (4108, 204227), (4303, 194972), (8021, 104596), (8606, 97486), (16042, 52298), (17212, 48743), (26149, 32084)]