255319284

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 666731520

約数和(自身を除く): 411412236

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 89, 103, 132, 178, 206, 211, 267, 309, 356, 412, 422, 534, 618, 633, 844, 979, 1068, 1133, 1236, 1266, 1958, 2266, 2321, 2532, 2937, 3399, 3916, 4532, 4642, 5874, 6798, 6963, 9167, 9284, 11748, 13596, 13926, 18334, 18779, 21733, 27501, 27852, 36668, 37558, 43466, 55002, 56337, 65199, 75116, 86932, 100837, 110004, 112674, 130398, 201674, 206569, 225348, 239063, 260796, 302511, 403348, 413138, 478126, 605022, 619707, 717189, 826276, 956252, 1210044, 1239414, 1434378, 1934237, 2478828, 2868756, 3868474, 5802711, 7736948, 11605422, 21276607, 23210844, 42553214, 63829821, 85106428, 127659642, 255319284]

約数ペア:

[(1, 255319284), (2, 127659642), (3, 85106428), (4, 63829821), (6, 42553214), (11, 23210844), (12, 21276607), (22, 11605422), (33, 7736948), (44, 5802711), (66, 3868474), (89, 2868756), (103, 2478828), (132, 1934237), (178, 1434378), (206, 1239414), (211, 1210044), (267, 956252), (309, 826276), (356, 717189), (412, 619707), (422, 605022), (534, 478126), (618, 413138), (633, 403348), (844, 302511), (979, 260796), (1068, 239063), (1133, 225348), (1236, 206569), (1266, 201674), (1958, 130398), (2266, 112674), (2321, 110004), (2532, 100837), (2937, 86932), (3399, 75116), (3916, 65199), (4532, 56337), (4642, 55002), (5874, 43466), (6798, 37558), (6963, 36668), (9167, 27852), (9284, 27501), (11748, 21733), (13596, 18779), (13926, 18334)]