About the Number

31128972

31128971 ← → 31128973

2進数表記:1110110101111110110001100

漢数字表記:三千百十二万八千九百七十二

素因数分解:

2 2 × 3 1 × 7 1 × 17 1 × 21799 1

素因数の和:21830
約数の個数: 48
約数和(自身を含む): 87897600
約数和(自身を除く): 56768628

約数列:
[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 21799, 43598, 65397, 87196, 130794, 152593, 261588, 305186, 370583, 457779, 610372, 741166, 915558, 1111749, 1482332, 1831116, 2223498, 2594081, 4446996, 5188162, 7782243, 10376324, 15564486, 31128972]

約数ペア:
[(1, 31128972), (2, 15564486), (3, 10376324), (4, 7782243), (6, 5188162), (7, 4446996), (12, 2594081), (14, 2223498), (17, 1831116), (21, 1482332), (28, 1111749), (34, 915558), (42, 741166), (51, 610372), (68, 457779), (84, 370583), (102, 305186), (119, 261588), (204, 152593), (238, 130794), (357, 87196), (476, 65397), (714, 43598), (1428, 21799)]

このpageの処理時間: 0.0049533843994140625 seconds