About the Number

451028991

451028990 ← → 451028992

2進数表記:11010111000100010011111111111

漢数字表記:四億五千百二万八千九百九十一

素因数分解:

3 1 × 7 1 × 71 1 × 113 1 × 2677 1

素因数の和:2871
約数の個数: 32
約数和(自身を含む): 703392768
約数和(自身を除く): 252363777

約数列:
[1, 3, 7, 21, 71, 113, 213, 339, 497, 791, 1491, 2373, 2677, 8023, 8031, 18739, 24069, 56161, 56217, 168483, 190067, 302501, 570201, 907503, 1330469, 2117507, 3991407, 6352521, 21477571, 64432713, 150342997, 451028991]

約数ペア:
[(1, 451028991), (3, 150342997), (7, 64432713), (21, 21477571), (71, 6352521), (113, 3991407), (213, 2117507), (339, 1330469), (497, 907503), (791, 570201), (1491, 302501), (2373, 190067), (2677, 168483), (8023, 56217), (8031, 56161), (18739, 24069)]

このpageの処理時間: 0.7304847240447998 seconds