812786988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1\times {\mathrm{2609}}^1$

素因数の和:4626

約数の個数: 48

約数和(自身を含む): 2044193760

約数和(自身を除く): 1231406772

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1997, 2609, 3994, 5218, 5991, 7827, 7988, 10436, 11982, 15654, 23964, 25961, 31308, 33917, 51922, 67834, 77883, 101751, 103844, 135668, 155766, 203502, 311532, 407004, 5210173, 10420346, 15630519, 20840692, 31261038, 62522076, 67732249, 135464498, 203196747, 270928996, 406393494, 812786988]

約数ペア:

[(1, 812786988), (2, 406393494), (3, 270928996), (4, 203196747), (6, 135464498), (12, 67732249), (13, 62522076), (26, 31261038), (39, 20840692), (52, 15630519), (78, 10420346), (156, 5210173), (1997, 407004), (2609, 311532), (3994, 203502), (5218, 155766), (5991, 135668), (7827, 103844), (7988, 101751), (10436, 77883), (11982, 67834), (15654, 51922), (23964, 33917), (25961, 31308)]