65415890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2371}}^1$

素因数の和:2498

約数の個数: 32

約数和(自身を含む): 122964480

約数和(自身を除く): 57548590

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 890, 2371, 2759, 4742, 5518, 11855, 13795, 23710, 27590, 73501, 147002, 211019, 367505, 422038, 735010, 1055095, 2110190, 6541589, 13083178, 32707945, 65415890]

約数ペア:

[(1, 65415890), (2, 32707945), (5, 13083178), (10, 6541589), (31, 2110190), (62, 1055095), (89, 735010), (155, 422038), (178, 367505), (310, 211019), (445, 147002), (890, 73501), (2371, 27590), (2759, 23710), (4742, 13795), (5518, 11855)]