431377648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 937440000

約数和(自身を除く): 506062352

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 149, 208, 248, 298, 403, 449, 496, 596, 806, 898, 1192, 1612, 1796, 1937, 2384, 3224, 3592, 3874, 4619, 5837, 6448, 7184, 7748, 9238, 11674, 13919, 15496, 18476, 23348, 27838, 30992, 36952, 46696, 55676, 60047, 66901, 73904, 93392, 111352, 120094, 133802, 180947, 222704, 240188, 267604, 361894, 480376, 535208, 723788, 869713, 960752, 1070416, 1447576, 1739426, 2073931, 2895152, 3478852, 4147862, 6957704, 8295724, 13915408, 16591448, 26961103, 33182896, 53922206, 107844412, 215688824, 431377648]

約数ペア:

[(1, 431377648), (2, 215688824), (4, 107844412), (8, 53922206), (13, 33182896), (16, 26961103), (26, 16591448), (31, 13915408), (52, 8295724), (62, 6957704), (104, 4147862), (124, 3478852), (149, 2895152), (208, 2073931), (248, 1739426), (298, 1447576), (403, 1070416), (449, 960752), (496, 869713), (596, 723788), (806, 535208), (898, 480376), (1192, 361894), (1612, 267604), (1796, 240188), (1937, 222704), (2384, 180947), (3224, 133802), (3592, 120094), (3874, 111352), (4619, 93392), (5837, 73904), (6448, 66901), (7184, 60047), (7748, 55676), (9238, 46696), (11674, 36952), (13919, 30992), (15496, 27838), (18476, 23348)]