216988816

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:413

約数の個数: 120

約数和(自身を含む): 516529440

約数和(自身を除く): 299540624

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 34, 38, 44, 68, 76, 88, 121, 136, 152, 176, 187, 209, 242, 272, 304, 323, 347, 374, 418, 484, 646, 694, 748, 836, 968, 1292, 1388, 1496, 1672, 1936, 2057, 2299, 2584, 2776, 2992, 3344, 3553, 3817, 4114, 4598, 5168, 5552, 5899, 6593, 7106, 7634, 8228, 9196, 11798, 13186, 14212, 15268, 16456, 18392, 23596, 26372, 28424, 30536, 32912, 36784, 39083, 41987, 47192, 52744, 56848, 61072, 64889, 72523, 78166, 83974, 94384, 105488, 112081, 129778, 145046, 156332, 167948, 224162, 259556, 290092, 312664, 335896, 448324, 519112, 580184, 625328, 671792, 713779, 797753, 896648, 1038224, 1160368, 1232891, 1427558, 1595506, 1793296, 2465782, 2855116, 3191012, 4931564, 5710232, 6382024, 9863128, 11420464, 12764048, 13561801, 19726256, 27123602, 54247204, 108494408, 216988816]

約数ペア:

[(1, 216988816), (2, 108494408), (4, 54247204), (8, 27123602), (11, 19726256), (16, 13561801), (17, 12764048), (19, 11420464), (22, 9863128), (34, 6382024), (38, 5710232), (44, 4931564), (68, 3191012), (76, 2855116), (88, 2465782), (121, 1793296), (136, 1595506), (152, 1427558), (176, 1232891), (187, 1160368), (209, 1038224), (242, 896648), (272, 797753), (304, 713779), (323, 671792), (347, 625328), (374, 580184), (418, 519112), (484, 448324), (646, 335896), (694, 312664), (748, 290092), (836, 259556), (968, 224162), (1292, 167948), (1388, 156332), (1496, 145046), (1672, 129778), (1936, 112081), (2057, 105488), (2299, 94384), (2584, 83974), (2776, 78166), (2992, 72523), (3344, 64889), (3553, 61072), (3817, 56848), (4114, 52744), (4598, 47192), (5168, 41987), (5552, 39083), (5899, 36784), (6593, 32912), (7106, 30536), (7634, 28424), (8228, 26372), (9196, 23596), (11798, 18392), (13186, 16456), (14212, 15268)]