223856646

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:857

約数の個数: 64

約数和(自身を含む): 513003456

約数和(自身を除く): 289146810

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 401, 421, 442, 663, 802, 842, 1203, 1263, 1326, 2406, 2526, 5213, 5473, 6817, 7157, 10426, 10946, 13634, 14314, 15639, 16419, 20451, 21471, 31278, 32838, 40902, 42942, 88621, 93041, 168821, 177242, 186082, 265863, 279123, 337642, 506463, 531726, 558246, 1012926, 2194673, 2869957, 4389346, 5739914, 6584019, 8609871, 13168038, 17219742, 37309441, 74618882, 111928323, 223856646]

約数ペア:

[(1, 223856646), (2, 111928323), (3, 74618882), (6, 37309441), (13, 17219742), (17, 13168038), (26, 8609871), (34, 6584019), (39, 5739914), (51, 4389346), (78, 2869957), (102, 2194673), (221, 1012926), (401, 558246), (421, 531726), (442, 506463), (663, 337642), (802, 279123), (842, 265863), (1203, 186082), (1263, 177242), (1326, 168821), (2406, 93041), (2526, 88621), (5213, 42942), (5473, 40902), (6817, 32838), (7157, 31278), (10426, 21471), (10946, 20451), (13634, 16419), (14314, 15639)]