71972152

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 180403200

約数和(自身を除く): 108431048

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 23, 28, 34, 38, 46, 56, 68, 76, 92, 119, 133, 136, 152, 161, 173, 184, 238, 266, 322, 323, 346, 391, 437, 476, 532, 644, 646, 692, 782, 874, 952, 1064, 1211, 1288, 1292, 1384, 1564, 1748, 2261, 2422, 2584, 2737, 2941, 3059, 3128, 3287, 3496, 3979, 4522, 4844, 5474, 5882, 6118, 6574, 7429, 7958, 9044, 9688, 10948, 11764, 12236, 13148, 14858, 15916, 18088, 20587, 21896, 23009, 23528, 24472, 26296, 27853, 29716, 31832, 41174, 46018, 52003, 55706, 55879, 59432, 67643, 75601, 82348, 92036, 104006, 111412, 111758, 135286, 151202, 164696, 184072, 208012, 222824, 223516, 270572, 302404, 391153, 416024, 447032, 473501, 529207, 541144, 604808, 782306, 947002, 1058414, 1285217, 1564612, 1894004, 2116828, 2570434, 3129224, 3788008, 4233656, 5140868, 8996519, 10281736, 17993038, 35986076, 71972152]

約数ペア:

[(1, 71972152), (2, 35986076), (4, 17993038), (7, 10281736), (8, 8996519), (14, 5140868), (17, 4233656), (19, 3788008), (23, 3129224), (28, 2570434), (34, 2116828), (38, 1894004), (46, 1564612), (56, 1285217), (68, 1058414), (76, 947002), (92, 782306), (119, 604808), (133, 541144), (136, 529207), (152, 473501), (161, 447032), (173, 416024), (184, 391153), (238, 302404), (266, 270572), (322, 223516), (323, 222824), (346, 208012), (391, 184072), (437, 164696), (476, 151202), (532, 135286), (644, 111758), (646, 111412), (692, 104006), (782, 92036), (874, 82348), (952, 75601), (1064, 67643), (1211, 59432), (1288, 55879), (1292, 55706), (1384, 52003), (1564, 46018), (1748, 41174), (2261, 31832), (2422, 29716), (2584, 27853), (2737, 26296), (2941, 24472), (3059, 23528), (3128, 23009), (3287, 21896), (3496, 20587), (3979, 18088), (4522, 15916), (4844, 14858), (5474, 13148), (5882, 12236), (6118, 11764), (6574, 10948), (7429, 9688), (7958, 9044)]