618311988

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3769}}^1$

素因数の和:3827

約数の個数: 144

約数和(自身を含む): 1925414400

約数和(自身を除く): 1307102412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 49, 54, 62, 63, 84, 93, 98, 108, 124, 126, 147, 186, 189, 196, 217, 252, 279, 294, 372, 378, 434, 441, 558, 588, 651, 756, 837, 868, 882, 1116, 1302, 1323, 1519, 1674, 1764, 1953, 2604, 2646, 3038, 3348, 3769, 3906, 4557, 5292, 5859, 6076, 7538, 7812, 9114, 11307, 11718, 13671, 15076, 18228, 22614, 23436, 26383, 27342, 33921, 41013, 45228, 52766, 54684, 67842, 79149, 82026, 101763, 105532, 116839, 135684, 158298, 164052, 184681, 203526, 233678, 237447, 316596, 350517, 369362, 407052, 467356, 474894, 554043, 701034, 712341, 738724, 817873, 949788, 1051551, 1108086, 1402068, 1424682, 1635746, 1662129, 2103102, 2216172, 2453619, 2849364, 3154653, 3271492, 3324258, 4206204, 4907238, 4986387, 5725111, 6309306, 6648516, 7360857, 9814476, 9972774, 11450222, 12618612, 14721714, 17175333, 19945548, 22082571, 22900444, 29443428, 34350666, 44165142, 51525999, 68701332, 88330284, 103051998, 154577997, 206103996, 309155994, 618311988]

約数ペア:

[(1, 618311988), (2, 309155994), (3, 206103996), (4, 154577997), (6, 103051998), (7, 88330284), (9, 68701332), (12, 51525999), (14, 44165142), (18, 34350666), (21, 29443428), (27, 22900444), (28, 22082571), (31, 19945548), (36, 17175333), (42, 14721714), (49, 12618612), (54, 11450222), (62, 9972774), (63, 9814476), (84, 7360857), (93, 6648516), (98, 6309306), (108, 5725111), (124, 4986387), (126, 4907238), (147, 4206204), (186, 3324258), (189, 3271492), (196, 3154653), (217, 2849364), (252, 2453619), (279, 2216172), (294, 2103102), (372, 1662129), (378, 1635746), (434, 1424682), (441, 1402068), (558, 1108086), (588, 1051551), (651, 949788), (756, 817873), (837, 738724), (868, 712341), (882, 701034), (1116, 554043), (1302, 474894), (1323, 467356), (1519, 407052), (1674, 369362), (1764, 350517), (1953, 316596), (2604, 237447), (2646, 233678), (3038, 203526), (3348, 184681), (3769, 164052), (3906, 158298), (4557, 135684), (5292, 116839), (5859, 105532), (6076, 101763), (7538, 82026), (7812, 79149), (9114, 67842), (11307, 54684), (11718, 52766), (13671, 45228), (15076, 41013), (18228, 33921), (22614, 27342), (23436, 26383)]