28919786

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 56678400

約数和(自身を除く): 27758614

約数列:

[1, 2, 7, 14, 19, 23, 29, 38, 46, 58, 133, 161, 163, 203, 266, 322, 326, 406, 437, 551, 667, 874, 1102, 1141, 1334, 2282, 3059, 3097, 3749, 3857, 4669, 4727, 6118, 6194, 7498, 7714, 9338, 9454, 12673, 21679, 25346, 26243, 33089, 43358, 52486, 66178, 71231, 88711, 89813, 108721, 142462, 177422, 179626, 217442, 498617, 628691, 761047, 997234, 1257382, 1522094, 2065699, 4131398, 14459893, 28919786]

約数ペア:

[(1, 28919786), (2, 14459893), (7, 4131398), (14, 2065699), (19, 1522094), (23, 1257382), (29, 997234), (38, 761047), (46, 628691), (58, 498617), (133, 217442), (161, 179626), (163, 177422), (203, 142462), (266, 108721), (322, 89813), (326, 88711), (406, 71231), (437, 66178), (551, 52486), (667, 43358), (874, 33089), (1102, 26243), (1141, 25346), (1334, 21679), (2282, 12673), (3059, 9454), (3097, 9338), (3749, 7714), (3857, 7498), (4669, 6194), (4727, 6118)]