1678889772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1873}}^1\times {\mathrm{3557}}^1$

素因数の和:5447

約数の個数: 72

約数和(自身を含む): 4854079776

約数和(自身を除く): 3175190004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1873, 3557, 3746, 5619, 7114, 7492, 10671, 11238, 13111, 14228, 16857, 21342, 22476, 24899, 26222, 32013, 33714, 39333, 42684, 49798, 52444, 64026, 67428, 74697, 78666, 99596, 117999, 128052, 149394, 157332, 224091, 235998, 298788, 448182, 471996, 896364, 6662261, 13324522, 19986783, 26649044, 39973566, 46635827, 59960349, 79947132, 93271654, 119920698, 139907481, 186543308, 239841396, 279814962, 419722443, 559629924, 839444886, 1678889772]

約数ペア:

[(1, 1678889772), (2, 839444886), (3, 559629924), (4, 419722443), (6, 279814962), (7, 239841396), (9, 186543308), (12, 139907481), (14, 119920698), (18, 93271654), (21, 79947132), (28, 59960349), (36, 46635827), (42, 39973566), (63, 26649044), (84, 19986783), (126, 13324522), (252, 6662261), (1873, 896364), (3557, 471996), (3746, 448182), (5619, 298788), (7114, 235998), (7492, 224091), (10671, 157332), (11238, 149394), (13111, 128052), (14228, 117999), (16857, 99596), (21342, 78666), (22476, 74697), (24899, 67428), (26222, 64026), (32013, 52444), (33714, 49798), (39333, 42684)]