38716395

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 70709760

約数和(自身を除く): 31993365

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 61, 85, 95, 131, 183, 255, 285, 305, 323, 393, 655, 915, 969, 1037, 1159, 1615, 1965, 2227, 2489, 3111, 3477, 4845, 5185, 5795, 6681, 7467, 7991, 11135, 12445, 15555, 17385, 19703, 23973, 33405, 37335, 39955, 42313, 59109, 98515, 119865, 126939, 135847, 151829, 211565, 295545, 407541, 455487, 634695, 679235, 759145, 2037705, 2277435, 2581093, 7743279, 12905465, 38716395]

約数ペア:

[(1, 38716395), (3, 12905465), (5, 7743279), (15, 2581093), (17, 2277435), (19, 2037705), (51, 759145), (57, 679235), (61, 634695), (85, 455487), (95, 407541), (131, 295545), (183, 211565), (255, 151829), (285, 135847), (305, 126939), (323, 119865), (393, 98515), (655, 59109), (915, 42313), (969, 39955), (1037, 37335), (1159, 33405), (1615, 23973), (1965, 19703), (2227, 17385), (2489, 15555), (3111, 12445), (3477, 11135), (4845, 7991), (5185, 7467), (5795, 6681)]