28337192

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 58920540

約数和(自身を除く): 30583348

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 97, 104, 106, 194, 212, 388, 424, 689, 776, 1261, 1378, 2522, 2756, 2809, 5044, 5141, 5512, 5618, 10088, 10282, 11236, 20564, 22472, 36517, 41128, 66833, 73034, 133666, 146068, 267332, 272473, 292136, 534664, 544946, 1089892, 2179784, 3542149, 7084298, 14168596, 28337192]

約数ペア:

[(1, 28337192), (2, 14168596), (4, 7084298), (8, 3542149), (13, 2179784), (26, 1089892), (52, 544946), (53, 534664), (97, 292136), (104, 272473), (106, 267332), (194, 146068), (212, 133666), (388, 73034), (424, 66833), (689, 41128), (776, 36517), (1261, 22472), (1378, 20564), (2522, 11236), (2756, 10282), (2809, 10088), (5044, 5618), (5141, 5512)]