238293406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 416404800

約数和(自身を除く): 178111394

約数列:

[1, 2, 13, 26, 29, 53, 58, 67, 89, 106, 134, 178, 377, 689, 754, 871, 1157, 1378, 1537, 1742, 1943, 2314, 2581, 3074, 3551, 3886, 4717, 5162, 5963, 7102, 9434, 11926, 19981, 25259, 33553, 39962, 46163, 50518, 61321, 67106, 77519, 92326, 102979, 122642, 136793, 155038, 172927, 205958, 273586, 316039, 345854, 632078, 1338727, 1778309, 2248051, 2677454, 3556618, 4108507, 4496102, 8217014, 9165131, 18330262, 119146703, 238293406]

約数ペア:

[(1, 238293406), (2, 119146703), (13, 18330262), (26, 9165131), (29, 8217014), (53, 4496102), (58, 4108507), (67, 3556618), (89, 2677454), (106, 2248051), (134, 1778309), (178, 1338727), (377, 632078), (689, 345854), (754, 316039), (871, 273586), (1157, 205958), (1378, 172927), (1537, 155038), (1742, 136793), (1943, 122642), (2314, 102979), (2581, 92326), (3074, 77519), (3551, 67106), (3886, 61321), (4717, 50518), (5162, 46163), (5963, 39962), (7102, 33553), (9434, 25259), (11926, 19981)]