890807685

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{911}}^1$

素因数の和:1058

約数の個数: 64

約数和(自身を含む): 1554923520

約数和(自身を除く): 664115835

約数列:

[1, 3, 5, 15, 19, 47, 57, 73, 95, 141, 219, 235, 285, 365, 705, 893, 911, 1095, 1387, 2679, 2733, 3431, 4161, 4465, 4555, 6935, 10293, 13395, 13665, 17155, 17309, 20805, 42817, 51465, 51927, 65189, 66503, 86545, 128451, 195567, 199509, 214085, 259635, 325945, 332515, 642255, 813523, 977835, 997545, 1263557, 2440569, 3125641, 3790671, 4067615, 6317785, 9376923, 12202845, 15628205, 18953355, 46884615, 59387179, 178161537, 296935895, 890807685]

約数ペア:

[(1, 890807685), (3, 296935895), (5, 178161537), (15, 59387179), (19, 46884615), (47, 18953355), (57, 15628205), (73, 12202845), (95, 9376923), (141, 6317785), (219, 4067615), (235, 3790671), (285, 3125641), (365, 2440569), (705, 1263557), (893, 997545), (911, 977835), (1095, 813523), (1387, 642255), (2679, 332515), (2733, 325945), (3431, 259635), (4161, 214085), (4465, 199509), (4555, 195567), (6935, 128451), (10293, 86545), (13395, 66503), (13665, 65189), (17155, 51927), (17309, 51465), (20805, 42817)]