253133530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 504530208

約数和(自身を除く): 251396678

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 137, 233, 274, 305, 466, 610, 685, 793, 1165, 1370, 1586, 1781, 2330, 3029, 3562, 3965, 6058, 7930, 8357, 8905, 14213, 15145, 16714, 17810, 28426, 30290, 31921, 41785, 63842, 71065, 83570, 108641, 142130, 159605, 184769, 217282, 319210, 369538, 414973, 543205, 829946, 923845, 1086410, 1847690, 1947181, 2074865, 3894362, 4149730, 9735905, 19471810, 25313353, 50626706, 126566765, 253133530]

約数ペア:

[(1, 253133530), (2, 126566765), (5, 50626706), (10, 25313353), (13, 19471810), (26, 9735905), (61, 4149730), (65, 3894362), (122, 2074865), (130, 1947181), (137, 1847690), (233, 1086410), (274, 923845), (305, 829946), (466, 543205), (610, 414973), (685, 369538), (793, 319210), (1165, 217282), (1370, 184769), (1586, 159605), (1781, 142130), (2330, 108641), (3029, 83570), (3562, 71065), (3965, 63842), (6058, 41785), (7930, 31921), (8357, 30290), (8905, 28426), (14213, 17810), (15145, 16714)]