About the Number

1999838506991

1999838506990 ← → 1999838506992

2進数表記:11101000110011111101010011110111111101111

漢数字表記:一兆九千九百九十八億三千八百五十万六千九百九十一

素因数分解:

13 1 × 41 1 × 907 1 × 4136761 1

素因数の和:4137722
約数の個数: 16
約数和(自身を含む): 2208633778848
約数和(自身を除く): 208795271857

約数列:
[1, 13, 41, 533, 907, 11791, 37187, 483431, 4136761, 53777893, 169607201, 2204893613, 3752042227, 48776548951, 153833731307, 1999838506991]

約数ペア:
[(1, 1999838506991), (13, 153833731307), (41, 48776548951), (533, 3752042227), (907, 2204893613), (11791, 169607201), (37187, 53777893), (483431, 4136761)]

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