211028402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 374976000

約数和(自身を除く): 163947598

約数列:

[1, 2, 13, 19, 26, 38, 47, 61, 94, 122, 149, 247, 298, 494, 611, 793, 893, 1159, 1222, 1586, 1786, 1937, 2318, 2831, 2867, 3874, 5662, 5734, 7003, 9089, 11609, 14006, 15067, 18178, 23218, 30134, 36803, 37271, 54473, 73606, 74542, 91039, 108946, 118157, 133057, 172691, 182078, 236314, 266114, 345382, 427183, 708149, 854366, 1416298, 1729741, 2244983, 3459482, 4489966, 5553379, 8116477, 11106758, 16232954, 105514201, 211028402]

約数ペア:

[(1, 211028402), (2, 105514201), (13, 16232954), (19, 11106758), (26, 8116477), (38, 5553379), (47, 4489966), (61, 3459482), (94, 2244983), (122, 1729741), (149, 1416298), (247, 854366), (298, 708149), (494, 427183), (611, 345382), (793, 266114), (893, 236314), (1159, 182078), (1222, 172691), (1586, 133057), (1786, 118157), (1937, 108946), (2318, 91039), (2831, 74542), (2867, 73606), (3874, 54473), (5662, 37271), (5734, 36803), (7003, 30134), (9089, 23218), (11609, 18178), (14006, 15067)]