65281944

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 204180480

約数和(自身を除く): 138898536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 71, 78, 84, 91, 104, 142, 156, 168, 182, 213, 273, 284, 312, 364, 421, 426, 497, 546, 568, 728, 842, 852, 923, 994, 1092, 1263, 1491, 1684, 1704, 1846, 1988, 2184, 2526, 2769, 2947, 2982, 3368, 3692, 3976, 5052, 5473, 5538, 5894, 5964, 6461, 7384, 8841, 10104, 10946, 11076, 11788, 11928, 12922, 16419, 17682, 19383, 21892, 22152, 23576, 25844, 29891, 32838, 35364, 38311, 38766, 43784, 51688, 59782, 65676, 70728, 76622, 77532, 89673, 114933, 119564, 131352, 153244, 155064, 179346, 209237, 229866, 239128, 306488, 358692, 388583, 418474, 459732, 627711, 717384, 777166, 836948, 919464, 1165749, 1255422, 1554332, 1673896, 2331498, 2510844, 2720081, 3108664, 4662996, 5021688, 5440162, 8160243, 9325992, 10880324, 16320486, 21760648, 32640972, 65281944]

約数ペア:

[(1, 65281944), (2, 32640972), (3, 21760648), (4, 16320486), (6, 10880324), (7, 9325992), (8, 8160243), (12, 5440162), (13, 5021688), (14, 4662996), (21, 3108664), (24, 2720081), (26, 2510844), (28, 2331498), (39, 1673896), (42, 1554332), (52, 1255422), (56, 1165749), (71, 919464), (78, 836948), (84, 777166), (91, 717384), (104, 627711), (142, 459732), (156, 418474), (168, 388583), (182, 358692), (213, 306488), (273, 239128), (284, 229866), (312, 209237), (364, 179346), (421, 155064), (426, 153244), (497, 131352), (546, 119564), (568, 114933), (728, 89673), (842, 77532), (852, 76622), (923, 70728), (994, 65676), (1092, 59782), (1263, 51688), (1491, 43784), (1684, 38766), (1704, 38311), (1846, 35364), (1988, 32838), (2184, 29891), (2526, 25844), (2769, 23576), (2947, 22152), (2982, 21892), (3368, 19383), (3692, 17682), (3976, 16419), (5052, 12922), (5473, 11928), (5538, 11788), (5894, 11076), (5964, 10946), (6461, 10104), (7384, 8841)]