259738128

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^3\times {\mathrm{821}}^1$

素因数の和:874

約数の個数: 120

約数和(自身を含む): 788413080

約数和(自身を除く): 528674952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 169, 208, 234, 312, 338, 468, 507, 624, 676, 821, 936, 1014, 1352, 1521, 1642, 1872, 2028, 2197, 2463, 2704, 3042, 3284, 4056, 4394, 4926, 6084, 6568, 6591, 7389, 8112, 8788, 9852, 10673, 12168, 13136, 13182, 14778, 17576, 19704, 19773, 21346, 24336, 26364, 29556, 32019, 35152, 39408, 39546, 42692, 52728, 59112, 64038, 79092, 85384, 96057, 105456, 118224, 128076, 138749, 158184, 170768, 192114, 256152, 277498, 316368, 384228, 416247, 512304, 554996, 768456, 832494, 1109992, 1248741, 1536912, 1664988, 1803737, 2219984, 2497482, 3329976, 3607474, 4994964, 5411211, 6659952, 7214948, 9989928, 10822422, 14429896, 16233633, 19979856, 21644844, 28859792, 32467266, 43289688, 64934532, 86579376, 129869064, 259738128]

約数ペア:

[(1, 259738128), (2, 129869064), (3, 86579376), (4, 64934532), (6, 43289688), (8, 32467266), (9, 28859792), (12, 21644844), (13, 19979856), (16, 16233633), (18, 14429896), (24, 10822422), (26, 9989928), (36, 7214948), (39, 6659952), (48, 5411211), (52, 4994964), (72, 3607474), (78, 3329976), (104, 2497482), (117, 2219984), (144, 1803737), (156, 1664988), (169, 1536912), (208, 1248741), (234, 1109992), (312, 832494), (338, 768456), (468, 554996), (507, 512304), (624, 416247), (676, 384228), (821, 316368), (936, 277498), (1014, 256152), (1352, 192114), (1521, 170768), (1642, 158184), (1872, 138749), (2028, 128076), (2197, 118224), (2463, 105456), (2704, 96057), (3042, 85384), (3284, 79092), (4056, 64038), (4394, 59112), (4926, 52728), (6084, 42692), (6568, 39546), (6591, 39408), (7389, 35152), (8112, 32019), (8788, 29556), (9852, 26364), (10673, 24336), (12168, 21346), (13136, 19773), (13182, 19704), (14778, 17576)]