64991538

素因数分解:

$2^1\times 3^3\times {\mathrm{89}}^1\times {\mathrm{13523}}^1$

素因数の和:13623

約数の個数: 32

約数和(自身を含む): 146059200

約数和(自身を除く): 81067662

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 89, 178, 267, 534, 801, 1602, 2403, 4806, 13523, 27046, 40569, 81138, 121707, 243414, 365121, 730242, 1203547, 2407094, 3610641, 7221282, 10831923, 21663846, 32495769, 64991538]

約数ペア:

[(1, 64991538), (2, 32495769), (3, 21663846), (6, 10831923), (9, 7221282), (18, 3610641), (27, 2407094), (54, 1203547), (89, 730242), (178, 365121), (267, 243414), (534, 121707), (801, 81138), (1602, 40569), (2403, 27046), (4806, 13523)]