251569264

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 535331808

約数和(自身を除く): 283762544

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 137, 157, 172, 272, 274, 314, 344, 548, 628, 688, 731, 1096, 1256, 1462, 2192, 2329, 2512, 2669, 2924, 4658, 5338, 5848, 5891, 6751, 9316, 10676, 11696, 11782, 13502, 18632, 21352, 21509, 23564, 27004, 37264, 42704, 43018, 47128, 54008, 86036, 94256, 100147, 108016, 114767, 172072, 200294, 229534, 344144, 365653, 400588, 459068, 731306, 801176, 918136, 924887, 1462612, 1602352, 1836272, 1849774, 2925224, 3699548, 5850448, 7399096, 14798192, 15723079, 31446158, 62892316, 125784632, 251569264]

約数ペア:

[(1, 251569264), (2, 125784632), (4, 62892316), (8, 31446158), (16, 15723079), (17, 14798192), (34, 7399096), (43, 5850448), (68, 3699548), (86, 2925224), (136, 1849774), (137, 1836272), (157, 1602352), (172, 1462612), (272, 924887), (274, 918136), (314, 801176), (344, 731306), (548, 459068), (628, 400588), (688, 365653), (731, 344144), (1096, 229534), (1256, 200294), (1462, 172072), (2192, 114767), (2329, 108016), (2512, 100147), (2669, 94256), (2924, 86036), (4658, 54008), (5338, 47128), (5848, 43018), (5891, 42704), (6751, 37264), (9316, 27004), (10676, 23564), (11696, 21509), (11782, 21352), (13502, 18632)]