28820310454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{3313}}^1$

素因数の和:3653

約数の個数: 64

約数和(自身を含む): 49386129408

約数和(自身を除く): 20565818954

約数列:

[1, 2, 13, 26, 31, 43, 62, 86, 251, 403, 502, 559, 806, 1118, 1333, 2666, 3263, 3313, 6526, 6626, 7781, 10793, 15562, 17329, 21586, 34658, 43069, 86138, 101153, 102703, 140309, 142459, 202306, 205406, 280618, 284918, 334583, 669166, 831563, 1335139, 1663126, 1851967, 2670278, 3703934, 4349579, 4416229, 8699158, 8832458, 10810319, 21620638, 25778453, 35757209, 51556906, 57410977, 71514418, 114821954, 335119889, 464843717, 670239778, 929687434, 1108473479, 2216946958, 14410155227, 28820310454]

約数ペア:

[(1, 28820310454), (2, 14410155227), (13, 2216946958), (26, 1108473479), (31, 929687434), (43, 670239778), (62, 464843717), (86, 335119889), (251, 114821954), (403, 71514418), (502, 57410977), (559, 51556906), (806, 35757209), (1118, 25778453), (1333, 21620638), (2666, 10810319), (3263, 8832458), (3313, 8699158), (6526, 4416229), (6626, 4349579), (7781, 3703934), (10793, 2670278), (15562, 1851967), (17329, 1663126), (21586, 1335139), (34658, 831563), (43069, 669166), (86138, 334583), (101153, 284918), (102703, 280618), (140309, 205406), (142459, 202306)]