7921888

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 17040240

約数和(自身を除く): 9118352

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 137, 139, 208, 274, 278, 416, 548, 556, 1096, 1112, 1781, 1807, 2192, 2224, 3562, 3614, 4384, 4448, 7124, 7228, 14248, 14456, 19043, 28496, 28912, 38086, 56992, 57824, 76172, 152344, 247559, 304688, 495118, 609376, 990236, 1980472, 3960944, 7921888]

約数ペア:

[(1, 7921888), (2, 3960944), (4, 1980472), (8, 990236), (13, 609376), (16, 495118), (26, 304688), (32, 247559), (52, 152344), (104, 76172), (137, 57824), (139, 56992), (208, 38086), (274, 28912), (278, 28496), (416, 19043), (548, 14456), (556, 14248), (1096, 7228), (1112, 7124), (1781, 4448), (1807, 4384), (2192, 3614), (2224, 3562)]