1312506

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 3144960

約数和(自身を除く): 1832454

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 79, 117, 142, 158, 213, 234, 237, 426, 474, 639, 711, 923, 1027, 1278, 1422, 1846, 2054, 2769, 3081, 5538, 5609, 6162, 8307, 9243, 11218, 16614, 16827, 18486, 33654, 50481, 72917, 100962, 145834, 218751, 437502, 656253, 1312506]

約数ペア:

[(1, 1312506), (2, 656253), (3, 437502), (6, 218751), (9, 145834), (13, 100962), (18, 72917), (26, 50481), (39, 33654), (71, 18486), (78, 16827), (79, 16614), (117, 11218), (142, 9243), (158, 8307), (213, 6162), (234, 5609), (237, 5538), (426, 3081), (474, 2769), (639, 2054), (711, 1846), (923, 1422), (1027, 1278)]