28196364

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 77629440

約数和(自身を除く): 49433076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 79, 84, 98, 147, 158, 196, 237, 294, 316, 474, 553, 588, 607, 948, 1106, 1214, 1659, 1821, 2212, 2428, 3318, 3642, 3871, 4249, 6636, 7284, 7742, 8498, 11613, 12747, 15484, 16996, 23226, 25494, 29743, 46452, 47953, 50988, 59486, 89229, 95906, 118972, 143859, 178458, 191812, 287718, 335671, 356916, 575436, 671342, 1007013, 1342684, 2014026, 2349697, 4028052, 4699394, 7049091, 9398788, 14098182, 28196364]

約数ペア:

[(1, 28196364), (2, 14098182), (3, 9398788), (4, 7049091), (6, 4699394), (7, 4028052), (12, 2349697), (14, 2014026), (21, 1342684), (28, 1007013), (42, 671342), (49, 575436), (79, 356916), (84, 335671), (98, 287718), (147, 191812), (158, 178458), (196, 143859), (237, 118972), (294, 95906), (316, 89229), (474, 59486), (553, 50988), (588, 47953), (607, 46452), (948, 29743), (1106, 25494), (1214, 23226), (1659, 16996), (1821, 15484), (2212, 12747), (2428, 11613), (3318, 8498), (3642, 7742), (3871, 7284), (4249, 6636)]