128827486

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 208692000

約数和(自身を除く): 79864514

約数列:

[1, 2, 19, 38, 61, 122, 149, 298, 373, 746, 1159, 2318, 2831, 5662, 7087, 9089, 14174, 18178, 22753, 45506, 55577, 111154, 172691, 345382, 432307, 864614, 1055963, 2111926, 3390197, 6780394, 64413743, 128827486]

約数ペア:

[(1, 128827486), (2, 64413743), (19, 6780394), (38, 3390197), (61, 2111926), (122, 1055963), (149, 864614), (298, 432307), (373, 345382), (746, 172691), (1159, 111154), (2318, 55577), (2831, 45506), (5662, 22753), (7087, 18178), (9089, 14174)]