221036788

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{1103}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 469615104

約数和(自身を除く): 248578316

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 421, 476, 842, 1103, 1684, 2206, 2947, 4412, 5894, 7157, 7721, 11788, 14314, 15442, 18751, 28628, 30884, 37502, 50099, 75004, 100198, 131257, 200396, 262514, 464363, 525028, 928726, 1857452, 3250541, 6501082, 7894171, 13002164, 15788342, 31576684, 55259197, 110518394, 221036788]

約数ペア:

[(1, 221036788), (2, 110518394), (4, 55259197), (7, 31576684), (14, 15788342), (17, 13002164), (28, 7894171), (34, 6501082), (68, 3250541), (119, 1857452), (238, 928726), (421, 525028), (476, 464363), (842, 262514), (1103, 200396), (1684, 131257), (2206, 100198), (2947, 75004), (4412, 50099), (5894, 37502), (7157, 30884), (7721, 28628), (11788, 18751), (14314, 15442)]