247643448

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 689230080

約数和(自身を除く): 441586632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 73, 78, 83, 104, 131, 146, 156, 166, 219, 249, 262, 292, 312, 332, 393, 438, 498, 524, 584, 664, 786, 876, 949, 996, 1048, 1079, 1572, 1703, 1752, 1898, 1992, 2158, 2847, 3144, 3237, 3406, 3796, 4316, 5109, 5694, 6059, 6474, 6812, 7592, 8632, 9563, 10218, 10873, 11388, 12118, 12948, 13624, 18177, 19126, 20436, 21746, 22776, 24236, 25896, 28689, 32619, 36354, 38252, 40872, 43492, 48472, 57378, 65238, 72708, 76504, 78767, 86984, 114756, 124319, 130476, 141349, 145416, 157534, 229512, 236301, 248638, 260952, 282698, 315068, 372957, 424047, 472602, 497276, 565396, 630136, 745914, 793729, 848094, 945204, 994552, 1130792, 1491828, 1587458, 1696188, 1890408, 2381187, 2983656, 3174916, 3392376, 4762374, 6349832, 9524748, 10318477, 19049496, 20636954, 30955431, 41273908, 61910862, 82547816, 123821724, 247643448]

約数ペア:

[(1, 247643448), (2, 123821724), (3, 82547816), (4, 61910862), (6, 41273908), (8, 30955431), (12, 20636954), (13, 19049496), (24, 10318477), (26, 9524748), (39, 6349832), (52, 4762374), (73, 3392376), (78, 3174916), (83, 2983656), (104, 2381187), (131, 1890408), (146, 1696188), (156, 1587458), (166, 1491828), (219, 1130792), (249, 994552), (262, 945204), (292, 848094), (312, 793729), (332, 745914), (393, 630136), (438, 565396), (498, 497276), (524, 472602), (584, 424047), (664, 372957), (786, 315068), (876, 282698), (949, 260952), (996, 248638), (1048, 236301), (1079, 229512), (1572, 157534), (1703, 145416), (1752, 141349), (1898, 130476), (1992, 124319), (2158, 114756), (2847, 86984), (3144, 78767), (3237, 76504), (3406, 72708), (3796, 65238), (4316, 57378), (5109, 48472), (5694, 43492), (6059, 40872), (6474, 38252), (6812, 36354), (7592, 32619), (8632, 28689), (9563, 25896), (10218, 24236), (10873, 22776), (11388, 21746), (12118, 20436), (12948, 19126), (13624, 18177)]