251398368

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{809}}^1$

素因数の和:921

約数の個数: 144

約数和(自身を含む): 780146640

約数和(自身を除く): 528748272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 83, 96, 104, 117, 144, 156, 166, 208, 234, 249, 288, 312, 332, 416, 468, 498, 624, 664, 747, 809, 936, 996, 1079, 1248, 1328, 1494, 1618, 1872, 1992, 2158, 2427, 2656, 2988, 3236, 3237, 3744, 3984, 4316, 4854, 5976, 6472, 6474, 7281, 7968, 8632, 9708, 9711, 10517, 11952, 12944, 12948, 14562, 17264, 19416, 19422, 21034, 23904, 25888, 25896, 29124, 31551, 34528, 38832, 38844, 42068, 51792, 58248, 63102, 67147, 77664, 77688, 84136, 94653, 103584, 116496, 126204, 134294, 155376, 168272, 189306, 201441, 232992, 252408, 268588, 310752, 336544, 378612, 402882, 504816, 537176, 604323, 757224, 805764, 872911, 1009632, 1074352, 1208646, 1514448, 1611528, 1745822, 2148704, 2417292, 2618733, 3028896, 3223056, 3491644, 4834584, 5237466, 6446112, 6983288, 7856199, 9669168, 10474932, 13966576, 15712398, 19338336, 20949864, 27933152, 31424796, 41899728, 62849592, 83799456, 125699184, 251398368]

約数ペア:

[(1, 251398368), (2, 125699184), (3, 83799456), (4, 62849592), (6, 41899728), (8, 31424796), (9, 27933152), (12, 20949864), (13, 19338336), (16, 15712398), (18, 13966576), (24, 10474932), (26, 9669168), (32, 7856199), (36, 6983288), (39, 6446112), (48, 5237466), (52, 4834584), (72, 3491644), (78, 3223056), (83, 3028896), (96, 2618733), (104, 2417292), (117, 2148704), (144, 1745822), (156, 1611528), (166, 1514448), (208, 1208646), (234, 1074352), (249, 1009632), (288, 872911), (312, 805764), (332, 757224), (416, 604323), (468, 537176), (498, 504816), (624, 402882), (664, 378612), (747, 336544), (809, 310752), (936, 268588), (996, 252408), (1079, 232992), (1248, 201441), (1328, 189306), (1494, 168272), (1618, 155376), (1872, 134294), (1992, 126204), (2158, 116496), (2427, 103584), (2656, 94653), (2988, 84136), (3236, 77688), (3237, 77664), (3744, 67147), (3984, 63102), (4316, 58248), (4854, 51792), (5976, 42068), (6472, 38844), (6474, 38832), (7281, 34528), (7968, 31551), (8632, 29124), (9708, 25896), (9711, 25888), (10517, 23904), (11952, 21034), (12944, 19422), (12948, 19416), (14562, 17264)]