61745915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 101744640

約数和(自身を除く): 39998725

約数列:

[1, 5, 7, 11, 19, 23, 35, 55, 77, 95, 115, 133, 161, 209, 253, 367, 385, 437, 665, 805, 1045, 1265, 1463, 1771, 1835, 2185, 2569, 3059, 4037, 4807, 6973, 7315, 8441, 8855, 12845, 15295, 20185, 24035, 28259, 33649, 34865, 42205, 48811, 59087, 76703, 92851, 141295, 160379, 168245, 244055, 295435, 383515, 464255, 536921, 649957, 801895, 1122653, 1764169, 2684605, 3249785, 5613265, 8820845, 12349183, 61745915]

約数ペア:

[(1, 61745915), (5, 12349183), (7, 8820845), (11, 5613265), (19, 3249785), (23, 2684605), (35, 1764169), (55, 1122653), (77, 801895), (95, 649957), (115, 536921), (133, 464255), (161, 383515), (209, 295435), (253, 244055), (367, 168245), (385, 160379), (437, 141295), (665, 92851), (805, 76703), (1045, 59087), (1265, 48811), (1463, 42205), (1771, 34865), (1835, 33649), (2185, 28259), (2569, 24035), (3059, 20185), (4037, 15295), (4807, 12845), (6973, 8855), (7315, 8441)]