158781008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2039}}^1$

素因数の和:2235

約数の個数: 40

約数和(自身を含む): 319741440

約数和(自身を除く): 160960432

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 157, 248, 314, 496, 628, 1256, 2039, 2512, 4078, 4867, 8156, 9734, 16312, 19468, 32624, 38936, 63209, 77872, 126418, 252836, 320123, 505672, 640246, 1011344, 1280492, 2560984, 5121968, 9923813, 19847626, 39695252, 79390504, 158781008]

約数ペア:

[(1, 158781008), (2, 79390504), (4, 39695252), (8, 19847626), (16, 9923813), (31, 5121968), (62, 2560984), (124, 1280492), (157, 1011344), (248, 640246), (314, 505672), (496, 320123), (628, 252836), (1256, 126418), (2039, 77872), (2512, 63209), (4078, 38936), (4867, 32624), (8156, 19468), (9734, 16312)]