261986704

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1237}}^1$

素因数の和:1344

約数の個数: 80

約数和(自身を含む): 609135616

約数和(自身を除く): 347148912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 61, 62, 112, 122, 124, 217, 244, 248, 427, 434, 488, 496, 854, 868, 976, 1237, 1708, 1736, 1891, 2474, 3416, 3472, 3782, 4948, 6832, 7564, 8659, 9896, 13237, 15128, 17318, 19792, 26474, 30256, 34636, 38347, 52948, 69272, 75457, 76694, 105896, 138544, 150914, 153388, 211792, 268429, 301828, 306776, 528199, 536858, 603656, 613552, 1056398, 1073716, 1207312, 2112796, 2147432, 2339167, 4225592, 4294864, 4678334, 8451184, 9356668, 16374169, 18713336, 32748338, 37426672, 65496676, 130993352, 261986704]

約数ペア:

[(1, 261986704), (2, 130993352), (4, 65496676), (7, 37426672), (8, 32748338), (14, 18713336), (16, 16374169), (28, 9356668), (31, 8451184), (56, 4678334), (61, 4294864), (62, 4225592), (112, 2339167), (122, 2147432), (124, 2112796), (217, 1207312), (244, 1073716), (248, 1056398), (427, 613552), (434, 603656), (488, 536858), (496, 528199), (854, 306776), (868, 301828), (976, 268429), (1237, 211792), (1708, 153388), (1736, 150914), (1891, 138544), (2474, 105896), (3416, 76694), (3472, 75457), (3782, 69272), (4948, 52948), (6832, 38347), (7564, 34636), (8659, 30256), (9896, 26474), (13237, 19792), (15128, 17318)]