42990844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{821}}^1$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 87000480

約数和(自身を除く): 44009636

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 53, 76, 106, 212, 247, 494, 689, 821, 988, 1007, 1378, 1642, 2014, 2756, 3284, 4028, 10673, 13091, 15599, 21346, 26182, 31198, 42692, 43513, 52364, 62396, 87026, 174052, 202787, 405574, 565669, 811148, 826747, 1131338, 1653494, 2262676, 3306988, 10747711, 21495422, 42990844]

約数ペア:

[(1, 42990844), (2, 21495422), (4, 10747711), (13, 3306988), (19, 2262676), (26, 1653494), (38, 1131338), (52, 826747), (53, 811148), (76, 565669), (106, 405574), (212, 202787), (247, 174052), (494, 87026), (689, 62396), (821, 52364), (988, 43513), (1007, 42692), (1378, 31198), (1642, 26182), (2014, 21346), (2756, 15599), (3284, 13091), (4028, 10673)]