About the Number

2131507404

2131507403 ← → 2131507405

2進数表記:1111111000011000011100011001100

漢数字表記:二十一億三千百五十万七千四百四

素因数分解:

2 2 × 3 2 × 13 1 × 181 1 × 25163 1

素因数の和:25367
約数の個数: 72
約数和(自身を含む): 5834726352
約数和(自身を除く): 3703218948

約数列:
[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 181, 234, 362, 468, 543, 724, 1086, 1629, 2172, 2353, 3258, 4706, 6516, 7059, 9412, 14118, 21177, 25163, 28236, 42354, 50326, 75489, 84708, 100652, 150978, 226467, 301956, 327119, 452934, 654238, 905868, 981357, 1308476, 1962714, 2944071, 3925428, 4554503, 5888142, 9109006, 11776284, 13663509, 18218012, 27327018, 40990527, 54654036, 59208539, 81981054, 118417078, 163962108, 177625617, 236834156, 355251234, 532876851, 710502468, 1065753702, 2131507404]

約数ペア:
[(1, 2131507404), (2, 1065753702), (3, 710502468), (4, 532876851), (6, 355251234), (9, 236834156), (12, 177625617), (13, 163962108), (18, 118417078), (26, 81981054), (36, 59208539), (39, 54654036), (52, 40990527), (78, 27327018), (117, 18218012), (156, 13663509), (181, 11776284), (234, 9109006), (362, 5888142), (468, 4554503), (543, 3925428), (724, 2944071), (1086, 1962714), (1629, 1308476), (2172, 981357), (2353, 905868), (3258, 654238), (4706, 452934), (6516, 327119), (7059, 301956), (9412, 226467), (14118, 150978), (21177, 100652), (25163, 84708), (28236, 75489), (42354, 50326)]

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