218361892

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{1277}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 453454848

約数和(自身を除く): 235092956

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 197, 217, 394, 434, 788, 868, 1277, 1379, 2554, 2758, 5108, 5516, 6107, 8939, 12214, 17878, 24428, 35756, 39587, 42749, 79174, 85498, 158348, 170996, 251569, 277109, 503138, 554218, 1006276, 1108436, 1760983, 3521966, 7043932, 7798639, 15597278, 31194556, 54590473, 109180946, 218361892]

約数ペア:

[(1, 218361892), (2, 109180946), (4, 54590473), (7, 31194556), (14, 15597278), (28, 7798639), (31, 7043932), (62, 3521966), (124, 1760983), (197, 1108436), (217, 1006276), (394, 554218), (434, 503138), (788, 277109), (868, 251569), (1277, 170996), (1379, 158348), (2554, 85498), (2758, 79174), (5108, 42749), (5516, 39587), (6107, 35756), (8939, 24428), (12214, 17878)]