401028642

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{227}}^1\times {\mathrm{2003}}^1$

素因数の和:2252

約数の個数: 72

約数和(自身を含む): 1015715376

約数和(自身を除く): 614686734

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 227, 294, 441, 454, 681, 882, 1362, 1589, 2003, 2043, 3178, 4006, 4086, 4767, 6009, 9534, 11123, 12018, 14021, 14301, 18027, 22246, 28042, 28602, 33369, 36054, 42063, 66738, 84126, 98147, 100107, 126189, 196294, 200214, 252378, 294441, 454681, 588882, 883323, 909362, 1364043, 1766646, 2728086, 3182767, 4092129, 6365534, 8184258, 9548301, 19096602, 22279369, 28644903, 44558738, 57289806, 66838107, 133676214, 200514321, 401028642]

約数ペア:

[(1, 401028642), (2, 200514321), (3, 133676214), (6, 66838107), (7, 57289806), (9, 44558738), (14, 28644903), (18, 22279369), (21, 19096602), (42, 9548301), (49, 8184258), (63, 6365534), (98, 4092129), (126, 3182767), (147, 2728086), (227, 1766646), (294, 1364043), (441, 909362), (454, 883323), (681, 588882), (882, 454681), (1362, 294441), (1589, 252378), (2003, 200214), (2043, 196294), (3178, 126189), (4006, 100107), (4086, 98147), (4767, 84126), (6009, 66738), (9534, 42063), (11123, 36054), (12018, 33369), (14021, 28602), (14301, 28042), (18027, 22246)]