8778987828

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{743}}^1\times {\mathrm{25247}}^1$

素因数の和:26013

約数の個数: 72

約数和(自身を含む): 23931468288

約数和(自身を除く): 15152480460

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 743, 1486, 2229, 2972, 4458, 6687, 8916, 9659, 13374, 19318, 25247, 26748, 28977, 38636, 50494, 57954, 75741, 86931, 100988, 115908, 151482, 173862, 227223, 302964, 328211, 347724, 454446, 656422, 908892, 984633, 1312844, 1969266, 2953899, 3938532, 5907798, 11815596, 18758521, 37517042, 56275563, 75034084, 112551126, 168826689, 225102252, 243860773, 337653378, 487721546, 675306756, 731582319, 975443092, 1463164638, 2194746957, 2926329276, 4389493914, 8778987828]

約数ペア:

[(1, 8778987828), (2, 4389493914), (3, 2926329276), (4, 2194746957), (6, 1463164638), (9, 975443092), (12, 731582319), (13, 675306756), (18, 487721546), (26, 337653378), (36, 243860773), (39, 225102252), (52, 168826689), (78, 112551126), (117, 75034084), (156, 56275563), (234, 37517042), (468, 18758521), (743, 11815596), (1486, 5907798), (2229, 3938532), (2972, 2953899), (4458, 1969266), (6687, 1312844), (8916, 984633), (9659, 908892), (13374, 656422), (19318, 454446), (25247, 347724), (26748, 328211), (28977, 302964), (38636, 227223), (50494, 173862), (57954, 151482), (75741, 115908), (86931, 100988)]