261947136

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:438

約数の個数: 144

約数和(自身を含む): 770571648

約数和(自身を除く): 508624512

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 101, 128, 132, 176, 192, 202, 256, 264, 303, 307, 352, 384, 404, 528, 606, 614, 704, 768, 808, 921, 1056, 1111, 1212, 1228, 1408, 1616, 1842, 2112, 2222, 2424, 2456, 2816, 3232, 3333, 3377, 3684, 4224, 4444, 4848, 4912, 6464, 6666, 6754, 7368, 8448, 8888, 9696, 9824, 10131, 12928, 13332, 13508, 14736, 17776, 19392, 19648, 20262, 25856, 26664, 27016, 29472, 31007, 35552, 38784, 39296, 40524, 53328, 54032, 58944, 62014, 71104, 77568, 78592, 81048, 93021, 106656, 108064, 117888, 124028, 142208, 162096, 186042, 213312, 216128, 235776, 248056, 284416, 324192, 341077, 372084, 426624, 432256, 496112, 648384, 682154, 744168, 853248, 864512, 992224, 1023231, 1296768, 1364308, 1488336, 1984448, 2046462, 2593536, 2728616, 2976672, 3968896, 4092924, 5457232, 5953344, 7937792, 8185848, 10914464, 11906688, 16371696, 21828928, 23813376, 32743392, 43657856, 65486784, 87315712, 130973568, 261947136]

約数ペア:

[(1, 261947136), (2, 130973568), (3, 87315712), (4, 65486784), (6, 43657856), (8, 32743392), (11, 23813376), (12, 21828928), (16, 16371696), (22, 11906688), (24, 10914464), (32, 8185848), (33, 7937792), (44, 5953344), (48, 5457232), (64, 4092924), (66, 3968896), (88, 2976672), (96, 2728616), (101, 2593536), (128, 2046462), (132, 1984448), (176, 1488336), (192, 1364308), (202, 1296768), (256, 1023231), (264, 992224), (303, 864512), (307, 853248), (352, 744168), (384, 682154), (404, 648384), (528, 496112), (606, 432256), (614, 426624), (704, 372084), (768, 341077), (808, 324192), (921, 284416), (1056, 248056), (1111, 235776), (1212, 216128), (1228, 213312), (1408, 186042), (1616, 162096), (1842, 142208), (2112, 124028), (2222, 117888), (2424, 108064), (2456, 106656), (2816, 93021), (3232, 81048), (3333, 78592), (3377, 77568), (3684, 71104), (4224, 62014), (4444, 58944), (4848, 54032), (4912, 53328), (6464, 40524), (6666, 39296), (6754, 38784), (7368, 35552), (8448, 31007), (8888, 29472), (9696, 27016), (9824, 26664), (10131, 25856), (12928, 20262), (13332, 19648), (13508, 19392), (14736, 17776)]