661322556

素因数分解:

$2^2\times 3^8\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:364

約数の個数: 108

約数和(自身を含む): 1759098432

約数和(自身を除く): 1097775876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 113, 162, 223, 226, 243, 324, 339, 446, 452, 486, 669, 678, 729, 892, 972, 1017, 1338, 1356, 1458, 2007, 2034, 2187, 2676, 2916, 3051, 4014, 4068, 4374, 6021, 6102, 6561, 8028, 8748, 9153, 12042, 12204, 13122, 18063, 18306, 24084, 25199, 26244, 27459, 36126, 36612, 50398, 54189, 54918, 72252, 75597, 82377, 100796, 108378, 109836, 151194, 162567, 164754, 216756, 226791, 247131, 302388, 325134, 329508, 453582, 487701, 494262, 650268, 680373, 741393, 907164, 975402, 988524, 1360746, 1463103, 1482786, 1950804, 2041119, 2721492, 2926206, 2965572, 4082238, 5852412, 6123357, 8164476, 12246714, 18370071, 24493428, 36740142, 55110213, 73480284, 110220426, 165330639, 220440852, 330661278, 661322556]

約数ペア:

[(1, 661322556), (2, 330661278), (3, 220440852), (4, 165330639), (6, 110220426), (9, 73480284), (12, 55110213), (18, 36740142), (27, 24493428), (36, 18370071), (54, 12246714), (81, 8164476), (108, 6123357), (113, 5852412), (162, 4082238), (223, 2965572), (226, 2926206), (243, 2721492), (324, 2041119), (339, 1950804), (446, 1482786), (452, 1463103), (486, 1360746), (669, 988524), (678, 975402), (729, 907164), (892, 741393), (972, 680373), (1017, 650268), (1338, 494262), (1356, 487701), (1458, 453582), (2007, 329508), (2034, 325134), (2187, 302388), (2676, 247131), (2916, 226791), (3051, 216756), (4014, 164754), (4068, 162567), (4374, 151194), (6021, 109836), (6102, 108378), (6561, 100796), (8028, 82377), (8748, 75597), (9153, 72252), (12042, 54918), (12204, 54189), (13122, 50398), (18063, 36612), (18306, 36126), (24084, 27459), (25199, 26244)]