289206856

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 592997760

約数和(自身を除く): 303790904

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 71, 122, 136, 142, 244, 284, 488, 491, 568, 982, 1037, 1207, 1964, 2074, 2414, 3928, 4148, 4331, 4828, 8296, 8347, 8662, 9656, 16694, 17324, 29951, 33388, 34648, 34861, 59902, 66776, 69722, 73627, 119804, 139444, 147254, 239608, 278888, 294508, 509167, 589016, 592637, 1018334, 1185274, 2036668, 2126521, 2370548, 4073336, 4253042, 4741096, 8506084, 17012168, 36150857, 72301714, 144603428, 289206856]

約数ペア:

[(1, 289206856), (2, 144603428), (4, 72301714), (8, 36150857), (17, 17012168), (34, 8506084), (61, 4741096), (68, 4253042), (71, 4073336), (122, 2370548), (136, 2126521), (142, 2036668), (244, 1185274), (284, 1018334), (488, 592637), (491, 589016), (568, 509167), (982, 294508), (1037, 278888), (1207, 239608), (1964, 147254), (2074, 139444), (2414, 119804), (3928, 73627), (4148, 69722), (4331, 66776), (4828, 59902), (8296, 34861), (8347, 34648), (8662, 33388), (9656, 29951), (16694, 17324)]