216918910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{6203}}^1$

素因数の和:6492

約数の個数: 32

約数和(自身を含む): 422120160

約数和(自身を除く): 205201250

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 269, 538, 1345, 2690, 3497, 6203, 6994, 12406, 17485, 31015, 34970, 62030, 80639, 161278, 403195, 806390, 1668607, 3337214, 8343035, 16686070, 21691891, 43383782, 108459455, 216918910]

約数ペア:

[(1, 216918910), (2, 108459455), (5, 43383782), (10, 21691891), (13, 16686070), (26, 8343035), (65, 3337214), (130, 1668607), (269, 806390), (538, 403195), (1345, 161278), (2690, 80639), (3497, 62030), (6203, 34970), (6994, 31015), (12406, 17485)]