217428493996

素因数分解:

$2^2\times 7^2\times {\mathrm{179}}^1\times {\mathrm{709}}^1\times {\mathrm{8741}}^1$

素因数の和:9647

約数の個数: 72

約数和(自身を含む): 445773812400

約数和(自身を除く): 228345318404

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 179, 196, 358, 709, 716, 1253, 1418, 2506, 2836, 4963, 5012, 8741, 8771, 9926, 17482, 17542, 19852, 34741, 34964, 35084, 61187, 69482, 122374, 126911, 138964, 244748, 253822, 428309, 507644, 856618, 888377, 1564639, 1713236, 1776754, 3129278, 3553508, 6197369, 6218639, 6258556, 10952473, 12394738, 12437278, 21904946, 24789476, 24874556, 43381583, 43809892, 76667311, 86763166, 153334622, 173526332, 303671081, 306669244, 607342162, 1109329051, 1214684324, 2218658102, 4437316204, 7765303357, 15530606714, 31061213428, 54357123499, 108714246998, 217428493996]

約数ペア:

[(1, 217428493996), (2, 108714246998), (4, 54357123499), (7, 31061213428), (14, 15530606714), (28, 7765303357), (49, 4437316204), (98, 2218658102), (179, 1214684324), (196, 1109329051), (358, 607342162), (709, 306669244), (716, 303671081), (1253, 173526332), (1418, 153334622), (2506, 86763166), (2836, 76667311), (4963, 43809892), (5012, 43381583), (8741, 24874556), (8771, 24789476), (9926, 21904946), (17482, 12437278), (17542, 12394738), (19852, 10952473), (34741, 6258556), (34964, 6218639), (35084, 6197369), (61187, 3553508), (69482, 3129278), (122374, 1776754), (126911, 1713236), (138964, 1564639), (244748, 888377), (253822, 856618), (428309, 507644)]