221233628

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 500774400

約数和(自身を除く): 279540772

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 107, 137, 154, 196, 214, 274, 308, 343, 428, 539, 548, 686, 749, 959, 1078, 1177, 1372, 1498, 1507, 1918, 2156, 2354, 2996, 3014, 3773, 3836, 4708, 5243, 6028, 6713, 7546, 8239, 10486, 10549, 13426, 14659, 15092, 16478, 20972, 21098, 26852, 29318, 32956, 36701, 42196, 46991, 57673, 58636, 73402, 73843, 93982, 102613, 115346, 146804, 147686, 161249, 187964, 205226, 230692, 295372, 322498, 403711, 410452, 516901, 644996, 718291, 807422, 1033802, 1128743, 1436582, 1614844, 2067604, 2257486, 2873164, 4514972, 5028037, 7901201, 10056074, 15802402, 20112148, 31604804, 55308407, 110616814, 221233628]

約数ペア:

[(1, 221233628), (2, 110616814), (4, 55308407), (7, 31604804), (11, 20112148), (14, 15802402), (22, 10056074), (28, 7901201), (44, 5028037), (49, 4514972), (77, 2873164), (98, 2257486), (107, 2067604), (137, 1614844), (154, 1436582), (196, 1128743), (214, 1033802), (274, 807422), (308, 718291), (343, 644996), (428, 516901), (539, 410452), (548, 403711), (686, 322498), (749, 295372), (959, 230692), (1078, 205226), (1177, 187964), (1372, 161249), (1498, 147686), (1507, 146804), (1918, 115346), (2156, 102613), (2354, 93982), (2996, 73843), (3014, 73402), (3773, 58636), (3836, 57673), (4708, 46991), (5243, 42196), (6028, 36701), (6713, 32956), (7546, 29318), (8239, 26852), (10486, 21098), (10549, 20972), (13426, 16478), (14659, 15092)]