218369998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 435456000

約数和(自身を除く): 217086002

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 239, 349, 374, 478, 698, 1309, 1673, 2443, 2618, 2629, 3346, 3839, 4063, 4886, 5258, 5933, 7678, 8126, 11866, 18403, 26873, 28441, 36806, 41531, 44693, 53746, 56882, 65263, 83062, 83411, 89386, 130526, 166822, 312851, 456841, 583877, 625702, 913682, 917521, 1167754, 1417987, 1835042, 2835974, 6422647, 9925909, 12845294, 15597857, 19851818, 31195714, 109184999, 218369998]

約数ペア:

[(1, 218369998), (2, 109184999), (7, 31195714), (11, 19851818), (14, 15597857), (17, 12845294), (22, 9925909), (34, 6422647), (77, 2835974), (119, 1835042), (154, 1417987), (187, 1167754), (238, 917521), (239, 913682), (349, 625702), (374, 583877), (478, 456841), (698, 312851), (1309, 166822), (1673, 130526), (2443, 89386), (2618, 83411), (2629, 83062), (3346, 65263), (3839, 56882), (4063, 53746), (4886, 44693), (5258, 41531), (5933, 36806), (7678, 28441), (8126, 26873), (11866, 18403)]