671432255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{1153}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 952299264

約数和(自身を除く): 280867009

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 289, 403, 527, 1105, 1153, 1445, 2015, 2635, 3757, 5765, 6851, 8959, 14989, 18785, 19601, 34255, 35743, 44795, 74945, 98005, 116467, 178715, 254813, 333217, 464659, 582335, 607631, 1274065, 1666085, 2323295, 3038155, 4331821, 7899203, 10329727, 21659105, 39496015, 51648635, 134286451, 671432255]

約数ペア:

[(1, 671432255), (5, 134286451), (13, 51648635), (17, 39496015), (31, 21659105), (65, 10329727), (85, 7899203), (155, 4331821), (221, 3038155), (289, 2323295), (403, 1666085), (527, 1274065), (1105, 607631), (1153, 582335), (1445, 464659), (2015, 333217), (2635, 254813), (3757, 178715), (5765, 116467), (6851, 98005), (8959, 74945), (14989, 44795), (18785, 35743), (19601, 34255)]