211313412

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{653}}^1$

素因数の和:853

約数の個数: 72

約数和(自身を含む): 546338520

約数和(自身を除く): 335025108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 101, 178, 202, 267, 303, 356, 404, 534, 606, 653, 801, 909, 1068, 1212, 1306, 1602, 1818, 1959, 2612, 3204, 3636, 3918, 5877, 7836, 8989, 11754, 17978, 23508, 26967, 35956, 53934, 58117, 65953, 80901, 107868, 116234, 131906, 161802, 174351, 197859, 232468, 263812, 323604, 348702, 395718, 523053, 593577, 697404, 791436, 1046106, 1187154, 2092212, 2374308, 5869817, 11739634, 17609451, 23479268, 35218902, 52828353, 70437804, 105656706, 211313412]

約数ペア:

[(1, 211313412), (2, 105656706), (3, 70437804), (4, 52828353), (6, 35218902), (9, 23479268), (12, 17609451), (18, 11739634), (36, 5869817), (89, 2374308), (101, 2092212), (178, 1187154), (202, 1046106), (267, 791436), (303, 697404), (356, 593577), (404, 523053), (534, 395718), (606, 348702), (653, 323604), (801, 263812), (909, 232468), (1068, 197859), (1212, 174351), (1306, 161802), (1602, 131906), (1818, 116234), (1959, 107868), (2612, 80901), (3204, 65953), (3636, 58117), (3918, 53934), (5877, 35956), (7836, 26967), (8989, 23508), (11754, 17978)]