31620992

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 70143360

約数和(自身を除く): 38522368

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 613, 806, 832, 992, 1226, 1612, 1664, 1984, 2452, 3224, 3968, 4904, 6448, 7969, 9808, 12896, 15938, 19003, 19616, 25792, 31876, 38006, 39232, 51584, 63752, 76012, 78464, 127504, 152024, 247039, 255008, 304048, 494078, 510016, 608096, 988156, 1020032, 1216192, 1976312, 2432384, 3952624, 7905248, 15810496, 31620992]

約数ペア:

[(1, 31620992), (2, 15810496), (4, 7905248), (8, 3952624), (13, 2432384), (16, 1976312), (26, 1216192), (31, 1020032), (32, 988156), (52, 608096), (62, 510016), (64, 494078), (104, 304048), (124, 255008), (128, 247039), (208, 152024), (248, 127504), (403, 78464), (416, 76012), (496, 63752), (613, 51584), (806, 39232), (832, 38006), (992, 31876), (1226, 25792), (1612, 19616), (1664, 19003), (1984, 15938), (2452, 12896), (3224, 9808), (3968, 7969), (4904, 6448)]