221868016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1597}}^1$

素因数の和:2081

約数の個数: 40

約数和(自身を含む): 453768080

約数和(自身を除く): 231900064

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 457, 914, 1597, 1828, 3194, 3656, 6388, 7312, 8683, 12776, 17366, 25552, 30343, 34732, 60686, 69464, 121372, 138928, 242744, 485488, 729829, 1459658, 2919316, 5838632, 11677264, 13866751, 27733502, 55467004, 110934008, 221868016]

約数ペア:

[(1, 221868016), (2, 110934008), (4, 55467004), (8, 27733502), (16, 13866751), (19, 11677264), (38, 5838632), (76, 2919316), (152, 1459658), (304, 729829), (457, 485488), (914, 242744), (1597, 138928), (1828, 121372), (3194, 69464), (3656, 60686), (6388, 34732), (7312, 30343), (8683, 25552), (12776, 17366)]