1538908

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 3374784

約数和(自身を除く): 1835876

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 53, 61, 68, 106, 119, 122, 212, 238, 244, 371, 427, 476, 742, 854, 901, 1037, 1484, 1708, 1802, 2074, 3233, 3604, 4148, 6307, 6466, 7259, 12614, 12932, 14518, 22631, 25228, 29036, 45262, 54961, 90524, 109922, 219844, 384727, 769454, 1538908]

約数ペア:

[(1, 1538908), (2, 769454), (4, 384727), (7, 219844), (14, 109922), (17, 90524), (28, 54961), (34, 45262), (53, 29036), (61, 25228), (68, 22631), (106, 14518), (119, 12932), (122, 12614), (212, 7259), (238, 6466), (244, 6307), (371, 4148), (427, 3604), (476, 3233), (742, 2074), (854, 1802), (901, 1708), (1037, 1484)]