221201928

素因数分解:

$2^3\times 3^7\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 637632000

約数和(自身を除く): 416430072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 47, 54, 72, 81, 94, 108, 141, 162, 188, 216, 243, 269, 282, 324, 376, 423, 486, 538, 564, 648, 729, 807, 846, 972, 1076, 1128, 1269, 1458, 1614, 1692, 1944, 2152, 2187, 2421, 2538, 2916, 3228, 3384, 3807, 4374, 4842, 5076, 5832, 6456, 7263, 7614, 8748, 9684, 10152, 11421, 12643, 14526, 15228, 17496, 19368, 21789, 22842, 25286, 29052, 30456, 34263, 37929, 43578, 45684, 50572, 58104, 65367, 68526, 75858, 87156, 91368, 101144, 102789, 113787, 130734, 137052, 151716, 174312, 196101, 205578, 227574, 261468, 274104, 303432, 341361, 392202, 411156, 455148, 522936, 588303, 682722, 784404, 822312, 910296, 1024083, 1176606, 1365444, 1568808, 2048166, 2353212, 2730888, 3072249, 4096332, 4706424, 6144498, 8192664, 9216747, 12288996, 18433494, 24577992, 27650241, 36866988, 55300482, 73733976, 110600964, 221201928]

約数ペア:

[(1, 221201928), (2, 110600964), (3, 73733976), (4, 55300482), (6, 36866988), (8, 27650241), (9, 24577992), (12, 18433494), (18, 12288996), (24, 9216747), (27, 8192664), (36, 6144498), (47, 4706424), (54, 4096332), (72, 3072249), (81, 2730888), (94, 2353212), (108, 2048166), (141, 1568808), (162, 1365444), (188, 1176606), (216, 1024083), (243, 910296), (269, 822312), (282, 784404), (324, 682722), (376, 588303), (423, 522936), (486, 455148), (538, 411156), (564, 392202), (648, 341361), (729, 303432), (807, 274104), (846, 261468), (972, 227574), (1076, 205578), (1128, 196101), (1269, 174312), (1458, 151716), (1614, 137052), (1692, 130734), (1944, 113787), (2152, 102789), (2187, 101144), (2421, 91368), (2538, 87156), (2916, 75858), (3228, 68526), (3384, 65367), (3807, 58104), (4374, 50572), (4842, 45684), (5076, 43578), (5832, 37929), (6456, 34263), (7263, 30456), (7614, 29052), (8748, 25286), (9684, 22842), (10152, 21789), (11421, 19368), (12643, 17496), (14526, 15228)]