51548228992

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{1999}}^1\times {\mathrm{15497}}^1$

素因数の和:17523

約数の個数: 64

約数和(自身を含む): 110655720000

約数和(自身を除く): 59107491008

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 1999, 3998, 7996, 15497, 15992, 25987, 30994, 31984, 51974, 61988, 63968, 103948, 123976, 127936, 201461, 207896, 247952, 255872, 402922, 415792, 495904, 805844, 831584, 991808, 1611688, 1663168, 1983616, 3223376, 3326336, 6446752, 12893504, 25787008, 30978503, 61957006, 123914012, 247828024, 402720539, 495656048, 805441078, 991312096, 1610882156, 1982624192, 3221764312, 3965248384, 6443528624, 12887057248, 25774114496, 51548228992]

約数ペア:

[(1, 51548228992), (2, 25774114496), (4, 12887057248), (8, 6443528624), (13, 3965248384), (16, 3221764312), (26, 1982624192), (32, 1610882156), (52, 991312096), (64, 805441078), (104, 495656048), (128, 402720539), (208, 247828024), (416, 123914012), (832, 61957006), (1664, 30978503), (1999, 25787008), (3998, 12893504), (7996, 6446752), (15497, 3326336), (15992, 3223376), (25987, 1983616), (30994, 1663168), (31984, 1611688), (51974, 991808), (61988, 831584), (63968, 805844), (103948, 495904), (123976, 415792), (127936, 402922), (201461, 255872), (207896, 247952)]