678743338

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{38447}}^1$

素因数の和:38566

約数の個数: 32

約数和(自身を含む): 1266015744

約数和(自身を除く): 587272406

約数列:

[1, 2, 7, 13, 14, 26, 91, 97, 182, 194, 679, 1261, 1358, 2522, 8827, 17654, 38447, 76894, 269129, 499811, 538258, 999622, 3498677, 3729359, 6997354, 7458718, 26105513, 48481667, 52211026, 96963334, 339371669, 678743338]

約数ペア:

[(1, 678743338), (2, 339371669), (7, 96963334), (13, 52211026), (14, 48481667), (26, 26105513), (91, 7458718), (97, 6997354), (182, 3729359), (194, 3498677), (679, 999622), (1261, 538258), (1358, 499811), (2522, 269129), (8827, 76894), (17654, 38447)]