396990465

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:974

約数の個数: 64

約数和(自身を含む): 708341760

約数和(自身を除く): 311351295

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 71, 95, 115, 213, 285, 345, 355, 437, 853, 1065, 1311, 1349, 1633, 2185, 2559, 4047, 4265, 4899, 6555, 6745, 8165, 12795, 16207, 19619, 20235, 24495, 31027, 48621, 58857, 60563, 81035, 93081, 98095, 155135, 181689, 243105, 294285, 302815, 372761, 465405, 908445, 1118283, 1150697, 1392949, 1863805, 3452091, 4178847, 5591415, 5753485, 6964745, 17260455, 20894235, 26466031, 79398093, 132330155, 396990465]

約数ペア:

[(1, 396990465), (3, 132330155), (5, 79398093), (15, 26466031), (19, 20894235), (23, 17260455), (57, 6964745), (69, 5753485), (71, 5591415), (95, 4178847), (115, 3452091), (213, 1863805), (285, 1392949), (345, 1150697), (355, 1118283), (437, 908445), (853, 465405), (1065, 372761), (1311, 302815), (1349, 294285), (1633, 243105), (2185, 181689), (2559, 155135), (4047, 98095), (4265, 93081), (4899, 81035), (6555, 60563), (6745, 58857), (8165, 48621), (12795, 31027), (16207, 24495), (19619, 20235)]