66717776

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:507

約数の個数: 40

約数和(自身を含む): 131762400

約数和(自身を除く): 65044624

約数列:

[1, 2, 4, 8, 16, 131, 139, 229, 262, 278, 458, 524, 556, 916, 1048, 1112, 1832, 2096, 2224, 3664, 18209, 29999, 31831, 36418, 59998, 63662, 72836, 119996, 127324, 145672, 239992, 254648, 291344, 479984, 509296, 4169861, 8339722, 16679444, 33358888, 66717776]

約数ペア:

[(1, 66717776), (2, 33358888), (4, 16679444), (8, 8339722), (16, 4169861), (131, 509296), (139, 479984), (229, 291344), (262, 254648), (278, 239992), (458, 145672), (524, 127324), (556, 119996), (916, 72836), (1048, 63662), (1112, 59998), (1832, 36418), (2096, 31831), (2224, 29999), (3664, 18209)]