263485352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1013}}^1$

素因数の和:1134

約数の個数: 64

約数和(自身を含む): 554495760

約数和(自身を除く): 291010408

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 61, 82, 104, 122, 164, 244, 328, 488, 533, 793, 1013, 1066, 1586, 2026, 2132, 2501, 3172, 4052, 4264, 5002, 6344, 8104, 10004, 13169, 20008, 26338, 32513, 41533, 52676, 61793, 65026, 83066, 105352, 123586, 130052, 166132, 247172, 260104, 332264, 494344, 539929, 803309, 1079858, 1606618, 2159716, 2533513, 3213236, 4319432, 5067026, 6426472, 10134052, 20268104, 32935669, 65871338, 131742676, 263485352]

約数ペア:

[(1, 263485352), (2, 131742676), (4, 65871338), (8, 32935669), (13, 20268104), (26, 10134052), (41, 6426472), (52, 5067026), (61, 4319432), (82, 3213236), (104, 2533513), (122, 2159716), (164, 1606618), (244, 1079858), (328, 803309), (488, 539929), (533, 494344), (793, 332264), (1013, 260104), (1066, 247172), (1586, 166132), (2026, 130052), (2132, 123586), (2501, 105352), (3172, 83066), (4052, 65026), (4264, 61793), (5002, 52676), (6344, 41533), (8104, 32513), (10004, 26338), (13169, 20008)]