1639232885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 2250547200

約数和(自身を除く): 611314315

約数列:

[1, 5, 19, 23, 43, 73, 95, 115, 215, 239, 365, 437, 817, 989, 1195, 1387, 1679, 2185, 3139, 4085, 4541, 4945, 5497, 6935, 8395, 10277, 15695, 17447, 18791, 22705, 27485, 31901, 51385, 59641, 72197, 87235, 93955, 104443, 159505, 195263, 236371, 298205, 331493, 360985, 401281, 522215, 750221, 976315, 1181855, 1371743, 1657465, 2006405, 3751105, 4491049, 6858715, 7624339, 14254199, 17255083, 22455245, 38121695, 71270995, 86275415, 327846577, 1639232885]

約数ペア:

[(1, 1639232885), (5, 327846577), (19, 86275415), (23, 71270995), (43, 38121695), (73, 22455245), (95, 17255083), (115, 14254199), (215, 7624339), (239, 6858715), (365, 4491049), (437, 3751105), (817, 2006405), (989, 1657465), (1195, 1371743), (1387, 1181855), (1679, 976315), (2185, 750221), (3139, 522215), (4085, 401281), (4541, 360985), (4945, 331493), (5497, 298205), (6935, 236371), (8395, 195263), (10277, 159505), (15695, 104443), (17447, 93955), (18791, 87235), (22705, 72197), (27485, 59641), (31901, 51385)]