215549604

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3989}}^1$

素因数の和:4097

約数の個数: 72

約数和(自身を含む): 580944000

約数和(自身を除く): 365394396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 79, 114, 158, 171, 228, 237, 316, 342, 474, 684, 711, 948, 1422, 1501, 2844, 3002, 3989, 4503, 6004, 7978, 9006, 11967, 13509, 15956, 18012, 23934, 27018, 35901, 47868, 54036, 71802, 75791, 143604, 151582, 227373, 303164, 315131, 454746, 630262, 682119, 909492, 945393, 1260524, 1364238, 1890786, 2728476, 2836179, 3781572, 5672358, 5987489, 11344716, 11974978, 17962467, 23949956, 35924934, 53887401, 71849868, 107774802, 215549604]

約数ペア:

[(1, 215549604), (2, 107774802), (3, 71849868), (4, 53887401), (6, 35924934), (9, 23949956), (12, 17962467), (18, 11974978), (19, 11344716), (36, 5987489), (38, 5672358), (57, 3781572), (76, 2836179), (79, 2728476), (114, 1890786), (158, 1364238), (171, 1260524), (228, 945393), (237, 909492), (316, 682119), (342, 630262), (474, 454746), (684, 315131), (711, 303164), (948, 227373), (1422, 151582), (1501, 143604), (2844, 75791), (3002, 71802), (3989, 54036), (4503, 47868), (6004, 35901), (7978, 27018), (9006, 23934), (11967, 18012), (13509, 15956)]