78301405

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 125411328

約数和(自身を除く): 47109923

約数列:

[1, 5, 7, 13, 17, 35, 53, 65, 85, 91, 119, 191, 221, 265, 371, 455, 595, 689, 901, 955, 1105, 1337, 1547, 1855, 2483, 3247, 3445, 4505, 4823, 6307, 6685, 7735, 10123, 11713, 12415, 16235, 17381, 22729, 24115, 31535, 42211, 50615, 58565, 70861, 81991, 86905, 113645, 131599, 172091, 211055, 295477, 354305, 409955, 657995, 860455, 921193, 1204637, 1477385, 2237183, 4605965, 6023185, 11185915, 15660281, 78301405]

約数ペア:

[(1, 78301405), (5, 15660281), (7, 11185915), (13, 6023185), (17, 4605965), (35, 2237183), (53, 1477385), (65, 1204637), (85, 921193), (91, 860455), (119, 657995), (191, 409955), (221, 354305), (265, 295477), (371, 211055), (455, 172091), (595, 131599), (689, 113645), (901, 86905), (955, 81991), (1105, 70861), (1337, 58565), (1547, 50615), (1855, 42211), (2483, 31535), (3247, 24115), (3445, 22729), (4505, 17381), (4823, 16235), (6307, 12415), (6685, 11713), (7735, 10123)]