72321844

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 156739968

約数和(自身を除く): 84418124

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 61, 92, 98, 122, 161, 196, 244, 263, 322, 427, 526, 644, 854, 1052, 1127, 1403, 1708, 1841, 2254, 2806, 2989, 3682, 4508, 5612, 5978, 6049, 7364, 9821, 11956, 12098, 12887, 16043, 19642, 24196, 25774, 32086, 39284, 42343, 51548, 64172, 68747, 84686, 112301, 137494, 169372, 224602, 274988, 296401, 368989, 449204, 592802, 737978, 786107, 1185604, 1475956, 1572214, 2582923, 3144428, 5165846, 10331692, 18080461, 36160922, 72321844]

約数ペア:

[(1, 72321844), (2, 36160922), (4, 18080461), (7, 10331692), (14, 5165846), (23, 3144428), (28, 2582923), (46, 1572214), (49, 1475956), (61, 1185604), (92, 786107), (98, 737978), (122, 592802), (161, 449204), (196, 368989), (244, 296401), (263, 274988), (322, 224602), (427, 169372), (526, 137494), (644, 112301), (854, 84686), (1052, 68747), (1127, 64172), (1403, 51548), (1708, 42343), (1841, 39284), (2254, 32086), (2806, 25774), (2989, 24196), (3682, 19642), (4508, 16043), (5612, 12887), (5978, 12098), (6049, 11956), (7364, 9821)]