199164708

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{997}}^1$

素因数の和:1217

約数の個数: 72

約数和(自身を含む): 523111680

約数和(自身を除く): 323946972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 179, 186, 279, 358, 372, 537, 558, 716, 997, 1074, 1116, 1611, 1994, 2148, 2991, 3222, 3988, 5549, 5982, 6444, 8973, 11098, 11964, 16647, 17946, 22196, 30907, 33294, 35892, 49941, 61814, 66588, 92721, 99882, 123628, 178463, 185442, 199764, 278163, 356926, 370884, 535389, 556326, 713852, 1070778, 1112652, 1606167, 2141556, 3212334, 5532353, 6424668, 11064706, 16597059, 22129412, 33194118, 49791177, 66388236, 99582354, 199164708]

約数ペア:

[(1, 199164708), (2, 99582354), (3, 66388236), (4, 49791177), (6, 33194118), (9, 22129412), (12, 16597059), (18, 11064706), (31, 6424668), (36, 5532353), (62, 3212334), (93, 2141556), (124, 1606167), (179, 1112652), (186, 1070778), (279, 713852), (358, 556326), (372, 535389), (537, 370884), (558, 356926), (716, 278163), (997, 199764), (1074, 185442), (1116, 178463), (1611, 123628), (1994, 99882), (2148, 92721), (2991, 66588), (3222, 61814), (3988, 49941), (5549, 35892), (5982, 33294), (6444, 30907), (8973, 22196), (11098, 17946), (11964, 16647)]