78424825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 109921536

約数和(自身を除く): 31496711

約数列:

[1, 5, 17, 23, 25, 71, 85, 113, 115, 355, 391, 425, 565, 575, 1207, 1633, 1775, 1921, 1955, 2599, 2825, 6035, 8023, 8165, 9605, 9775, 12995, 27761, 30175, 40115, 40825, 44183, 48025, 64975, 136391, 138805, 184529, 200575, 220915, 681955, 694025, 922645, 1104575, 3136993, 3409775, 4613225, 15684965, 78424825]

約数ペア:

[(1, 78424825), (5, 15684965), (17, 4613225), (23, 3409775), (25, 3136993), (71, 1104575), (85, 922645), (113, 694025), (115, 681955), (355, 220915), (391, 200575), (425, 184529), (565, 138805), (575, 136391), (1207, 64975), (1633, 48025), (1775, 44183), (1921, 40825), (1955, 40115), (2599, 30175), (2825, 27761), (6035, 12995), (8023, 9775), (8165, 9605)]