261516

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:94

約数の個数: 48

約数和(自身を含む): 680960

約数和(自身を除く): 419444

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 37, 38, 57, 62, 74, 76, 93, 111, 114, 124, 148, 186, 222, 228, 372, 444, 589, 703, 1147, 1178, 1406, 1767, 2109, 2294, 2356, 2812, 3441, 3534, 4218, 4588, 6882, 7068, 8436, 13764, 21793, 43586, 65379, 87172, 130758, 261516]

約数ペア:

[(1, 261516), (2, 130758), (3, 87172), (4, 65379), (6, 43586), (12, 21793), (19, 13764), (31, 8436), (37, 7068), (38, 6882), (57, 4588), (62, 4218), (74, 3534), (76, 3441), (93, 2812), (111, 2356), (114, 2294), (124, 2109), (148, 1767), (186, 1406), (222, 1178), (228, 1147), (372, 703), (444, 589)]