687323628

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{1283}}^1$

素因数の和:1963

約数の個数: 72

約数和(自身を含む): 1817157888

約数和(自身を除く): 1129834260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 647, 828, 1283, 1294, 1941, 2566, 2588, 3849, 3882, 5132, 5823, 7698, 7764, 11547, 11646, 14881, 15396, 23094, 23292, 29509, 29762, 44643, 46188, 59018, 59524, 88527, 89286, 118036, 133929, 177054, 178572, 265581, 267858, 354108, 531162, 535716, 830101, 1062324, 1660202, 2490303, 3320404, 4980606, 7470909, 9961212, 14941818, 19092323, 29883636, 38184646, 57276969, 76369292, 114553938, 171830907, 229107876, 343661814, 687323628]

約数ペア:

[(1, 687323628), (2, 343661814), (3, 229107876), (4, 171830907), (6, 114553938), (9, 76369292), (12, 57276969), (18, 38184646), (23, 29883636), (36, 19092323), (46, 14941818), (69, 9961212), (92, 7470909), (138, 4980606), (207, 3320404), (276, 2490303), (414, 1660202), (647, 1062324), (828, 830101), (1283, 535716), (1294, 531162), (1941, 354108), (2566, 267858), (2588, 265581), (3849, 178572), (3882, 177054), (5132, 133929), (5823, 118036), (7698, 89286), (7764, 88527), (11547, 59524), (11646, 59018), (14881, 46188), (15396, 44643), (23094, 29762), (23292, 29509)]