218905346

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:735

約数の個数: 48

約数和(自身を含む): 387449568

約数和(自身を除く): 168544222

約数列:

[1, 2, 11, 19, 22, 38, 43, 86, 209, 361, 418, 473, 641, 722, 817, 946, 1282, 1634, 3971, 7051, 7942, 8987, 12179, 14102, 15523, 17974, 24358, 27563, 31046, 55126, 133969, 170753, 231401, 267938, 303193, 341506, 462802, 523697, 606386, 1047394, 2545411, 5090822, 5760667, 9950243, 11521334, 19900486, 109452673, 218905346]

約数ペア:

[(1, 218905346), (2, 109452673), (11, 19900486), (19, 11521334), (22, 9950243), (38, 5760667), (43, 5090822), (86, 2545411), (209, 1047394), (361, 606386), (418, 523697), (473, 462802), (641, 341506), (722, 303193), (817, 267938), (946, 231401), (1282, 170753), (1634, 133969), (3971, 55126), (7051, 31046), (7942, 27563), (8987, 24358), (12179, 17974), (14102, 15523)]