685866688

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{1721}}^1$

素因数の和:2225

約数の個数: 56

約数和(自身を含む): 1469623680

約数和(自身を除く): 783756992

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 479, 832, 958, 1721, 1916, 3442, 3832, 6227, 6884, 7664, 12454, 13768, 15328, 22373, 24908, 27536, 30656, 44746, 49816, 55072, 89492, 99632, 110144, 178984, 199264, 357968, 398528, 715936, 824359, 1431872, 1648718, 3297436, 6594872, 10716667, 13189744, 21433334, 26379488, 42866668, 52758976, 85733336, 171466672, 342933344, 685866688]

約数ペア:

[(1, 685866688), (2, 342933344), (4, 171466672), (8, 85733336), (13, 52758976), (16, 42866668), (26, 26379488), (32, 21433334), (52, 13189744), (64, 10716667), (104, 6594872), (208, 3297436), (416, 1648718), (479, 1431872), (832, 824359), (958, 715936), (1721, 398528), (1916, 357968), (3442, 199264), (3832, 178984), (6227, 110144), (6884, 99632), (7664, 89492), (12454, 55072), (13768, 49816), (15328, 44746), (22373, 30656), (24908, 27536)]