253418728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 516672000

約数和(自身を除く): 263253272

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 103, 136, 158, 206, 229, 316, 412, 458, 632, 824, 916, 1343, 1751, 1832, 2686, 3502, 3893, 5372, 7004, 7786, 8137, 10744, 14008, 15572, 16274, 18091, 23587, 31144, 32548, 36182, 47174, 65096, 72364, 94348, 138329, 144728, 188696, 276658, 307547, 400979, 553316, 615094, 801958, 1106632, 1230188, 1603916, 1863373, 2460376, 3207832, 3726746, 7453492, 14906984, 31677341, 63354682, 126709364, 253418728]

約数ペア:

[(1, 253418728), (2, 126709364), (4, 63354682), (8, 31677341), (17, 14906984), (34, 7453492), (68, 3726746), (79, 3207832), (103, 2460376), (136, 1863373), (158, 1603916), (206, 1230188), (229, 1106632), (316, 801958), (412, 615094), (458, 553316), (632, 400979), (824, 307547), (916, 276658), (1343, 188696), (1751, 144728), (1832, 138329), (2686, 94348), (3502, 72364), (3893, 65096), (5372, 47174), (7004, 36182), (7786, 32548), (8137, 31144), (10744, 23587), (14008, 18091), (15572, 16274)]