153609428

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 313643904

約数和(自身を除く): 160034476

約数列:

[1, 2, 4, 7, 14, 28, 83, 157, 166, 314, 332, 421, 581, 628, 842, 1099, 1162, 1684, 2198, 2324, 2947, 4396, 5894, 11788, 13031, 26062, 34943, 52124, 66097, 69886, 91217, 132194, 139772, 182434, 244601, 264388, 364868, 462679, 489202, 925358, 978404, 1850716, 5486051, 10972102, 21944204, 38402357, 76804714, 153609428]

約数ペア:

[(1, 153609428), (2, 76804714), (4, 38402357), (7, 21944204), (14, 10972102), (28, 5486051), (83, 1850716), (157, 978404), (166, 925358), (314, 489202), (332, 462679), (421, 364868), (581, 264388), (628, 244601), (842, 182434), (1099, 139772), (1162, 132194), (1684, 91217), (2198, 69886), (2324, 66097), (2947, 52124), (4396, 34943), (5894, 26062), (11788, 13031)]