256602736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{1993}}^1$

素因数の和:2633

約数の個数: 40

約数和(自身を含む): 536545520

約数和(自身を除く): 279942784

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 619, 1238, 1993, 2476, 3986, 4952, 7972, 8047, 9904, 15944, 16094, 25909, 31888, 32188, 51818, 64376, 103636, 128752, 207272, 414544, 1233667, 2467334, 4934668, 9869336, 16037671, 19738672, 32075342, 64150684, 128301368, 256602736]

約数ペア:

[(1, 256602736), (2, 128301368), (4, 64150684), (8, 32075342), (13, 19738672), (16, 16037671), (26, 9869336), (52, 4934668), (104, 2467334), (208, 1233667), (619, 414544), (1238, 207272), (1993, 128752), (2476, 103636), (3986, 64376), (4952, 51818), (7972, 32188), (8047, 31888), (9904, 25909), (15944, 16094)]