245821784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 513975840

約数和(自身を除く): 268154056

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 193, 296, 331, 386, 481, 662, 772, 962, 1324, 1544, 1924, 2509, 2648, 3848, 4303, 5018, 7141, 8606, 10036, 12247, 14282, 17212, 20072, 24494, 28564, 34424, 48988, 57128, 63883, 92833, 97976, 127766, 159211, 185666, 255532, 318422, 371332, 511064, 636844, 742664, 830479, 1273688, 1660958, 2363671, 3321916, 4727342, 6643832, 9454684, 18909368, 30727723, 61455446, 122910892, 245821784]

約数ペア:

[(1, 245821784), (2, 122910892), (4, 61455446), (8, 30727723), (13, 18909368), (26, 9454684), (37, 6643832), (52, 4727342), (74, 3321916), (104, 2363671), (148, 1660958), (193, 1273688), (296, 830479), (331, 742664), (386, 636844), (481, 511064), (662, 371332), (772, 318422), (962, 255532), (1324, 185666), (1544, 159211), (1924, 127766), (2509, 97976), (2648, 92833), (3848, 63883), (4303, 57128), (5018, 48988), (7141, 34424), (8606, 28564), (10036, 24494), (12247, 20072), (14282, 17212)]