2778256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:96

約数の個数: 60

約数和(自身を含む): 6283452

約数和(自身を除く): 3505196

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 37, 38, 52, 74, 76, 104, 148, 152, 208, 247, 296, 304, 361, 481, 494, 592, 703, 722, 962, 988, 1406, 1444, 1924, 1976, 2812, 2888, 3848, 3952, 4693, 5624, 5776, 7696, 9139, 9386, 11248, 13357, 18278, 18772, 26714, 36556, 37544, 53428, 73112, 75088, 106856, 146224, 173641, 213712, 347282, 694564, 1389128, 2778256]

約数ペア:

[(1, 2778256), (2, 1389128), (4, 694564), (8, 347282), (13, 213712), (16, 173641), (19, 146224), (26, 106856), (37, 75088), (38, 73112), (52, 53428), (74, 37544), (76, 36556), (104, 26714), (148, 18772), (152, 18278), (208, 13357), (247, 11248), (296, 9386), (304, 9139), (361, 7696), (481, 5776), (494, 5624), (592, 4693), (703, 3952), (722, 3848), (962, 2888), (988, 2812), (1406, 1976), (1444, 1924)]