123970256

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1907}}^1$

素因数の和:2171

約数の個数: 40

約数和(自身を含む): 255519360

約数和(自身を除く): 131549104

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 239, 272, 478, 956, 1907, 1912, 3814, 3824, 4063, 7628, 8126, 15256, 16252, 30512, 32419, 32504, 64838, 65008, 129676, 259352, 455773, 518704, 911546, 1823092, 3646184, 7292368, 7748141, 15496282, 30992564, 61985128, 123970256]

約数ペア:

[(1, 123970256), (2, 61985128), (4, 30992564), (8, 15496282), (16, 7748141), (17, 7292368), (34, 3646184), (68, 1823092), (136, 911546), (239, 518704), (272, 455773), (478, 259352), (956, 129676), (1907, 65008), (1912, 64838), (3814, 32504), (3824, 32419), (4063, 30512), (7628, 16252), (8126, 15256)]