218020972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1481}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 435708000

約数和(自身を除く): 217687028

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 149, 247, 298, 494, 596, 988, 1481, 1937, 2831, 2962, 3874, 5662, 5924, 7748, 11324, 19253, 28139, 36803, 38506, 56278, 73606, 77012, 112556, 147212, 220669, 365807, 441338, 731614, 882676, 1463228, 2868697, 4192711, 5737394, 8385422, 11474788, 16770844, 54505243, 109010486, 218020972]

約数ペア:

[(1, 218020972), (2, 109010486), (4, 54505243), (13, 16770844), (19, 11474788), (26, 8385422), (38, 5737394), (52, 4192711), (76, 2868697), (149, 1463228), (247, 882676), (298, 731614), (494, 441338), (596, 365807), (988, 220669), (1481, 147212), (1937, 112556), (2831, 77012), (2962, 73606), (3874, 56278), (5662, 38506), (5924, 36803), (7748, 28139), (11324, 19253)]