1390421668

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{4211}}^1$

素因数の和:4372

約数の個数: 48

約数和(自身を含む): 2635161984

約数和(自身を除く): 1244740316

約数列:

[1, 2, 4, 23, 37, 46, 74, 92, 97, 148, 194, 388, 851, 1702, 2231, 3404, 3589, 4211, 4462, 7178, 8422, 8924, 14356, 16844, 82547, 96853, 155807, 165094, 193706, 311614, 330188, 387412, 408467, 623228, 816934, 1633868, 3583561, 7167122, 9394741, 14334244, 15113279, 18789482, 30226558, 37578964, 60453116, 347605417, 695210834, 1390421668]

約数ペア:

[(1, 1390421668), (2, 695210834), (4, 347605417), (23, 60453116), (37, 37578964), (46, 30226558), (74, 18789482), (92, 15113279), (97, 14334244), (148, 9394741), (194, 7167122), (388, 3583561), (851, 1633868), (1702, 816934), (2231, 623228), (3404, 408467), (3589, 387412), (4211, 330188), (4462, 311614), (7178, 193706), (8422, 165094), (8924, 155807), (14356, 96853), (16844, 82547)]