28840812

素因数分解:

$2^2\times 3^1\times 7^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:66

約数の個数: 144

約数和(自身を含む): 92236032

約数和(自身を除く): 63395220

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 49, 52, 66, 77, 78, 84, 91, 98, 132, 143, 147, 154, 156, 182, 196, 231, 273, 286, 294, 308, 343, 364, 429, 462, 539, 546, 572, 588, 637, 686, 858, 924, 1001, 1029, 1078, 1092, 1274, 1372, 1617, 1716, 1911, 2002, 2058, 2156, 2401, 2548, 3003, 3234, 3773, 3822, 4004, 4116, 4459, 4802, 6006, 6468, 7007, 7203, 7546, 7644, 8918, 9604, 11319, 12012, 13377, 14014, 14406, 15092, 16807, 17836, 21021, 22638, 26411, 26754, 28028, 28812, 31213, 33614, 42042, 45276, 49049, 50421, 52822, 53508, 62426, 67228, 79233, 84084, 93639, 98098, 100842, 105644, 124852, 147147, 158466, 184877, 187278, 196196, 201684, 218491, 294294, 316932, 343343, 369754, 374556, 436982, 554631, 588588, 655473, 686686, 739508, 873964, 1030029, 1109262, 1310946, 1373372, 2060058, 2218524, 2403401, 2621892, 4120116, 4806802, 7210203, 9613604, 14420406, 28840812]

約数ペア:

[(1, 28840812), (2, 14420406), (3, 9613604), (4, 7210203), (6, 4806802), (7, 4120116), (11, 2621892), (12, 2403401), (13, 2218524), (14, 2060058), (21, 1373372), (22, 1310946), (26, 1109262), (28, 1030029), (33, 873964), (39, 739508), (42, 686686), (44, 655473), (49, 588588), (52, 554631), (66, 436982), (77, 374556), (78, 369754), (84, 343343), (91, 316932), (98, 294294), (132, 218491), (143, 201684), (147, 196196), (154, 187278), (156, 184877), (182, 158466), (196, 147147), (231, 124852), (273, 105644), (286, 100842), (294, 98098), (308, 93639), (343, 84084), (364, 79233), (429, 67228), (462, 62426), (539, 53508), (546, 52822), (572, 50421), (588, 49049), (637, 45276), (686, 42042), (858, 33614), (924, 31213), (1001, 28812), (1029, 28028), (1078, 26754), (1092, 26411), (1274, 22638), (1372, 21021), (1617, 17836), (1716, 16807), (1911, 15092), (2002, 14406), (2058, 14014), (2156, 13377), (2401, 12012), (2548, 11319), (3003, 9604), (3234, 8918), (3773, 7644), (3822, 7546), (4004, 7203), (4116, 7007), (4459, 6468), (4802, 6006)]