About the Number

225407988

225407987 ← → 225407989

2進数表記:1101011011110111001111110100

漢数字表記:二億二千五百四十万七千九百八十八

素因数分解:

2 2 × 3 3 × 13 1 × 181 1 × 887 1

素因数の和:1094
約数の個数: 96
約数和(自身を含む): 633534720
約数和(自身を除く): 408126732

約数列:
[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 181, 234, 351, 362, 468, 543, 702, 724, 887, 1086, 1404, 1629, 1774, 2172, 2353, 2661, 3258, 3548, 4706, 4887, 5322, 6516, 7059, 7983, 9412, 9774, 10644, 11531, 14118, 15966, 19548, 21177, 23062, 23949, 28236, 31932, 34593, 42354, 46124, 47898, 63531, 69186, 84708, 95796, 103779, 127062, 138372, 160547, 207558, 254124, 311337, 321094, 415116, 481641, 622674, 642188, 963282, 1245348, 1444923, 1926564, 2087111, 2889846, 4174222, 4334769, 5779692, 6261333, 8348444, 8669538, 12522666, 17339076, 18783999, 25045332, 37567998, 56351997, 75135996, 112703994, 225407988]

約数ペア:
[(1, 225407988), (2, 112703994), (3, 75135996), (4, 56351997), (6, 37567998), (9, 25045332), (12, 18783999), (13, 17339076), (18, 12522666), (26, 8669538), (27, 8348444), (36, 6261333), (39, 5779692), (52, 4334769), (54, 4174222), (78, 2889846), (108, 2087111), (117, 1926564), (156, 1444923), (181, 1245348), (234, 963282), (351, 642188), (362, 622674), (468, 481641), (543, 415116), (702, 321094), (724, 311337), (887, 254124), (1086, 207558), (1404, 160547), (1629, 138372), (1774, 127062), (2172, 103779), (2353, 95796), (2661, 84708), (3258, 69186), (3548, 63531), (4706, 47898), (4887, 46124), (5322, 42354), (6516, 34593), (7059, 31932), (7983, 28236), (9412, 23949), (9774, 23062), (10644, 21177), (11531, 19548), (14118, 15966)]

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