221449142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 357177600

約数和(自身を除く): 135728458

約数列:

[1, 2, 19, 38, 71, 142, 211, 389, 422, 778, 1349, 2698, 4009, 7391, 8018, 14782, 14981, 27619, 29962, 55238, 82079, 164158, 284639, 524761, 569278, 1049522, 1559501, 3119002, 5827609, 11655218, 110724571, 221449142]

約数ペア:

[(1, 221449142), (2, 110724571), (19, 11655218), (38, 5827609), (71, 3119002), (142, 1559501), (211, 1049522), (389, 569278), (422, 524761), (778, 284639), (1349, 164158), (2698, 82079), (4009, 55238), (7391, 29962), (8018, 27619), (14782, 14981)]