1778028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 4833024

約数和(自身を除く): 3054996

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 347, 366, 427, 694, 732, 854, 1041, 1281, 1388, 1708, 2082, 2429, 2562, 4164, 4858, 5124, 7287, 9716, 14574, 21167, 29148, 42334, 63501, 84668, 127002, 148169, 254004, 296338, 444507, 592676, 889014, 1778028]

約数ペア:

[(1, 1778028), (2, 889014), (3, 592676), (4, 444507), (6, 296338), (7, 254004), (12, 148169), (14, 127002), (21, 84668), (28, 63501), (42, 42334), (61, 29148), (84, 21167), (122, 14574), (183, 9716), (244, 7287), (347, 5124), (366, 4858), (427, 4164), (694, 2562), (732, 2429), (854, 2082), (1041, 1708), (1281, 1388)]