68878968

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:848

約数の個数: 64

約数和(自身を含む): 183215520

約数和(自身を除く): 114336552

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 401, 408, 421, 802, 842, 1203, 1263, 1604, 1684, 2406, 2526, 3208, 3368, 4812, 5052, 6817, 7157, 9624, 10104, 13634, 14314, 20451, 21471, 27268, 28628, 40902, 42942, 54536, 57256, 81804, 85884, 163608, 168821, 171768, 337642, 506463, 675284, 1012926, 1350568, 2025852, 2869957, 4051704, 5739914, 8609871, 11479828, 17219742, 22959656, 34439484, 68878968]

約数ペア:

[(1, 68878968), (2, 34439484), (3, 22959656), (4, 17219742), (6, 11479828), (8, 8609871), (12, 5739914), (17, 4051704), (24, 2869957), (34, 2025852), (51, 1350568), (68, 1012926), (102, 675284), (136, 506463), (204, 337642), (401, 171768), (408, 168821), (421, 163608), (802, 85884), (842, 81804), (1203, 57256), (1263, 54536), (1604, 42942), (1684, 40902), (2406, 28628), (2526, 27268), (3208, 21471), (3368, 20451), (4812, 14314), (5052, 13634), (6817, 10104), (7157, 9624)]