About the Number

1242748728

1242748727 ← → 1242748729

2進数表記:1001010000100101101011100111000

漢数字表記:十二億四千二百七十四万八千七百二十八

素因数分解:

2 3 × 3 2 × 13 1 × 227 1 × 5849 1

素因数の和:6101
約数の個数: 96
約数和(自身を含む): 3641274000
約数和(自身を除く): 2398525272

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 227, 234, 312, 454, 468, 681, 908, 936, 1362, 1816, 2043, 2724, 2951, 4086, 5448, 5849, 5902, 8172, 8853, 11698, 11804, 16344, 17547, 17706, 23396, 23608, 26559, 35094, 35412, 46792, 52641, 53118, 70188, 70824, 76037, 105282, 106236, 140376, 152074, 210564, 212472, 228111, 304148, 421128, 456222, 608296, 684333, 912444, 1327723, 1368666, 1824888, 2655446, 2737332, 3983169, 5310892, 5474664, 7966338, 10621784, 11949507, 15932676, 17260399, 23899014, 31865352, 34520798, 47798028, 51781197, 69041596, 95596056, 103562394, 138083192, 155343591, 207124788, 310687182, 414249576, 621374364, 1242748728]

約数ペア:
[(1, 1242748728), (2, 621374364), (3, 414249576), (4, 310687182), (6, 207124788), (8, 155343591), (9, 138083192), (12, 103562394), (13, 95596056), (18, 69041596), (24, 51781197), (26, 47798028), (36, 34520798), (39, 31865352), (52, 23899014), (72, 17260399), (78, 15932676), (104, 11949507), (117, 10621784), (156, 7966338), (227, 5474664), (234, 5310892), (312, 3983169), (454, 2737332), (468, 2655446), (681, 1824888), (908, 1368666), (936, 1327723), (1362, 912444), (1816, 684333), (2043, 608296), (2724, 456222), (2951, 421128), (4086, 304148), (5448, 228111), (5849, 212472), (5902, 210564), (8172, 152074), (8853, 140376), (11698, 106236), (11804, 105282), (16344, 76037), (17547, 70824), (17706, 70188), (23396, 53118), (23608, 52641), (26559, 46792), (35094, 35412)]

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