213547516

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{349}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 472791200

約数和(自身を除く): 259243684

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 349, 364, 533, 574, 698, 1066, 1148, 1396, 1681, 2132, 2443, 3362, 3731, 4537, 4886, 6724, 7462, 9074, 9772, 11767, 14309, 14924, 18148, 21853, 23534, 28618, 31759, 43706, 47068, 57236, 63518, 87412, 100163, 127036, 152971, 186017, 200326, 305942, 372034, 400652, 586669, 611884, 744068, 1173338, 1302119, 2346676, 2604238, 4106683, 5208476, 7626697, 8213366, 15253394, 16426732, 30506788, 53386879, 106773758, 213547516]

約数ペア:

[(1, 213547516), (2, 106773758), (4, 53386879), (7, 30506788), (13, 16426732), (14, 15253394), (26, 8213366), (28, 7626697), (41, 5208476), (52, 4106683), (82, 2604238), (91, 2346676), (164, 1302119), (182, 1173338), (287, 744068), (349, 611884), (364, 586669), (533, 400652), (574, 372034), (698, 305942), (1066, 200326), (1148, 186017), (1396, 152971), (1681, 127036), (2132, 100163), (2443, 87412), (3362, 63518), (3731, 57236), (4537, 47068), (4886, 43706), (6724, 31759), (7462, 28618), (9074, 23534), (9772, 21853), (11767, 18148), (14309, 14924)]