1998201312

素因数分解:

$2^5\times 3^4\times {\mathrm{223}}^1\times {\mathrm{3457}}^1$

素因数の和:3702

約数の個数: 120

約数和(自身を含む): 5904714816

約数和(自身を除く): 3906513504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 223, 288, 324, 432, 446, 648, 669, 864, 892, 1296, 1338, 1784, 2007, 2592, 2676, 3457, 3568, 4014, 5352, 6021, 6914, 7136, 8028, 10371, 10704, 12042, 13828, 16056, 18063, 20742, 21408, 24084, 27656, 31113, 32112, 36126, 41484, 48168, 55312, 62226, 64224, 72252, 82968, 93339, 96336, 110624, 124452, 144504, 165936, 186678, 192672, 248904, 280017, 289008, 331872, 373356, 497808, 560034, 578016, 746712, 770911, 995616, 1120068, 1493424, 1541822, 2240136, 2312733, 2986848, 3083644, 4480272, 4625466, 6167288, 6938199, 8960544, 9250932, 12334576, 13876398, 18501864, 20814597, 24669152, 27752796, 37003728, 41629194, 55505592, 62443791, 74007456, 83258388, 111011184, 124887582, 166516776, 222022368, 249775164, 333033552, 499550328, 666067104, 999100656, 1998201312]

約数ペア:

[(1, 1998201312), (2, 999100656), (3, 666067104), (4, 499550328), (6, 333033552), (8, 249775164), (9, 222022368), (12, 166516776), (16, 124887582), (18, 111011184), (24, 83258388), (27, 74007456), (32, 62443791), (36, 55505592), (48, 41629194), (54, 37003728), (72, 27752796), (81, 24669152), (96, 20814597), (108, 18501864), (144, 13876398), (162, 12334576), (216, 9250932), (223, 8960544), (288, 6938199), (324, 6167288), (432, 4625466), (446, 4480272), (648, 3083644), (669, 2986848), (864, 2312733), (892, 2240136), (1296, 1541822), (1338, 1493424), (1784, 1120068), (2007, 995616), (2592, 770911), (2676, 746712), (3457, 578016), (3568, 560034), (4014, 497808), (5352, 373356), (6021, 331872), (6914, 289008), (7136, 280017), (8028, 248904), (10371, 192672), (10704, 186678), (12042, 165936), (13828, 144504), (16056, 124452), (18063, 110624), (20742, 96336), (21408, 93339), (24084, 82968), (27656, 72252), (31113, 64224), (32112, 62226), (36126, 55312), (41484, 48168)]