278463172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{673}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 537663280

約数和(自身を除く): 259200108

約数列:

[1, 2, 4, 13, 26, 52, 73, 109, 146, 218, 292, 436, 673, 949, 1346, 1417, 1898, 2692, 2834, 3796, 5668, 7957, 8749, 15914, 17498, 31828, 34996, 49129, 73357, 98258, 103441, 146714, 196516, 206882, 293428, 413764, 638677, 953641, 1277354, 1907282, 2554708, 3814564, 5355061, 10710122, 21420244, 69615793, 139231586, 278463172]

約数ペア:

[(1, 278463172), (2, 139231586), (4, 69615793), (13, 21420244), (26, 10710122), (52, 5355061), (73, 3814564), (109, 2554708), (146, 1907282), (218, 1277354), (292, 953641), (436, 638677), (673, 413764), (949, 293428), (1346, 206882), (1417, 196516), (1898, 146714), (2692, 103441), (2834, 98258), (3796, 73357), (5668, 49129), (7957, 34996), (8749, 31828), (15914, 17498)]