402115538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{2011}}^1$

素因数の和:2234

約数の個数: 32

約数和(自身を含む): 673617600

約数和(自身を除く): 271502062

約数列:

[1, 2, 11, 22, 61, 122, 149, 298, 671, 1342, 1639, 2011, 3278, 4022, 9089, 18178, 22121, 44242, 99979, 122671, 199958, 245342, 299639, 599278, 1349381, 2698762, 3296029, 6592058, 18277979, 36555958, 201057769, 402115538]

約数ペア:

[(1, 402115538), (2, 201057769), (11, 36555958), (22, 18277979), (61, 6592058), (122, 3296029), (149, 2698762), (298, 1349381), (671, 599278), (1342, 299639), (1639, 245342), (2011, 199958), (3278, 122671), (4022, 99979), (9089, 44242), (18178, 22121)]