638478216

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{3929}}^1$

素因数の和:4039

約数の個数: 96

約数和(自身を含む): 1805520600

約数和(自身を除く): 1167042384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 61, 72, 74, 111, 122, 148, 183, 222, 244, 296, 333, 366, 444, 488, 549, 666, 732, 888, 1098, 1332, 1464, 2196, 2257, 2664, 3929, 4392, 4514, 6771, 7858, 9028, 11787, 13542, 15716, 18056, 20313, 23574, 27084, 31432, 35361, 40626, 47148, 54168, 70722, 81252, 94296, 141444, 145373, 162504, 239669, 282888, 290746, 436119, 479338, 581492, 719007, 872238, 958676, 1162984, 1308357, 1438014, 1744476, 1917352, 2157021, 2616714, 2876028, 3488952, 4314042, 5233428, 5752056, 8628084, 8867753, 10466856, 17256168, 17735506, 26603259, 35471012, 53206518, 70942024, 79809777, 106413036, 159619554, 212826072, 319239108, 638478216]

約数ペア:

[(1, 638478216), (2, 319239108), (3, 212826072), (4, 159619554), (6, 106413036), (8, 79809777), (9, 70942024), (12, 53206518), (18, 35471012), (24, 26603259), (36, 17735506), (37, 17256168), (61, 10466856), (72, 8867753), (74, 8628084), (111, 5752056), (122, 5233428), (148, 4314042), (183, 3488952), (222, 2876028), (244, 2616714), (296, 2157021), (333, 1917352), (366, 1744476), (444, 1438014), (488, 1308357), (549, 1162984), (666, 958676), (732, 872238), (888, 719007), (1098, 581492), (1332, 479338), (1464, 436119), (2196, 290746), (2257, 282888), (2664, 239669), (3929, 162504), (4392, 145373), (4514, 141444), (6771, 94296), (7858, 81252), (9028, 70722), (11787, 54168), (13542, 47148), (15716, 40626), (18056, 35361), (20313, 31432), (23574, 27084)]