211320108

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 545615616

約数和(自身を除く): 334295508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 191, 219, 292, 382, 421, 438, 573, 657, 764, 842, 876, 1146, 1263, 1314, 1684, 1719, 2292, 2526, 2628, 3438, 3789, 5052, 6876, 7578, 13943, 15156, 27886, 30733, 41829, 55772, 61466, 80411, 83658, 92199, 122932, 125487, 160822, 167316, 184398, 241233, 250974, 276597, 321644, 368796, 482466, 501948, 553194, 723699, 964932, 1106388, 1447398, 2894796, 5870003, 11740006, 17610009, 23480012, 35220018, 52830027, 70440036, 105660054, 211320108]

約数ペア:

[(1, 211320108), (2, 105660054), (3, 70440036), (4, 52830027), (6, 35220018), (9, 23480012), (12, 17610009), (18, 11740006), (36, 5870003), (73, 2894796), (146, 1447398), (191, 1106388), (219, 964932), (292, 723699), (382, 553194), (421, 501948), (438, 482466), (573, 368796), (657, 321644), (764, 276597), (842, 250974), (876, 241233), (1146, 184398), (1263, 167316), (1314, 160822), (1684, 125487), (1719, 122932), (2292, 92199), (2526, 83658), (2628, 80411), (3438, 61466), (3789, 55772), (5052, 41829), (6876, 30733), (7578, 27886), (13943, 15156)]