149223728

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{293}}^1$

素因数の和:669

約数の個数: 40

約数和(自身を含む): 293470800

約数和(自身を除く): 144247072

約数列:

[1, 2, 4, 8, 16, 139, 229, 278, 293, 458, 556, 586, 916, 1112, 1172, 1832, 2224, 2344, 3664, 4688, 31831, 40727, 63662, 67097, 81454, 127324, 134194, 162908, 254648, 268388, 325816, 509296, 536776, 651632, 1073552, 9326483, 18652966, 37305932, 74611864, 149223728]

約数ペア:

[(1, 149223728), (2, 74611864), (4, 37305932), (8, 18652966), (16, 9326483), (139, 1073552), (229, 651632), (278, 536776), (293, 509296), (458, 325816), (556, 268388), (586, 254648), (916, 162908), (1112, 134194), (1172, 127324), (1832, 81454), (2224, 67097), (2344, 63662), (3664, 40727), (4688, 31831)]