17923640077

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1\times {\mathrm{641}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 22335806592

約数和(自身を除く): 4412166515

約数列:

[1, 7, 23, 43, 49, 161, 301, 577, 641, 989, 1127, 2107, 4039, 4487, 6923, 13271, 14743, 24811, 27563, 28273, 31409, 48461, 92897, 103201, 173677, 192941, 369857, 570653, 633949, 650279, 722407, 1215739, 1350587, 2588999, 3994571, 4437643, 8506711, 15903851, 18122993, 27961997, 31063501, 59546977, 111326957, 365788573, 416828839, 779288699, 2560520011, 17923640077]

約数ペア:

[(1, 17923640077), (7, 2560520011), (23, 779288699), (43, 416828839), (49, 365788573), (161, 111326957), (301, 59546977), (577, 31063501), (641, 27961997), (989, 18122993), (1127, 15903851), (2107, 8506711), (4039, 4437643), (4487, 3994571), (6923, 2588999), (13271, 1350587), (14743, 1215739), (24811, 722407), (27563, 650279), (28273, 633949), (31409, 570653), (48461, 369857), (92897, 192941), (103201, 173677)]