81371316

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:601

約数の個数: 96

約数和(自身を含む): 220485888

約数和(自身を除く): 139114572

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 61, 68, 78, 102, 122, 156, 183, 204, 221, 244, 366, 442, 503, 663, 732, 793, 884, 1006, 1037, 1326, 1509, 1586, 2012, 2074, 2379, 2652, 3018, 3111, 3172, 4148, 4758, 6036, 6222, 6539, 8551, 9516, 12444, 13078, 13481, 17102, 19617, 25653, 26156, 26962, 30683, 34204, 39234, 40443, 51306, 53924, 61366, 78468, 80886, 92049, 102612, 111163, 122732, 161772, 184098, 222326, 333489, 368196, 398879, 444652, 521611, 666978, 797758, 1043222, 1196637, 1333956, 1564833, 1595516, 2086444, 2393274, 3129666, 4786548, 6259332, 6780943, 13561886, 20342829, 27123772, 40685658, 81371316]

約数ペア:

[(1, 81371316), (2, 40685658), (3, 27123772), (4, 20342829), (6, 13561886), (12, 6780943), (13, 6259332), (17, 4786548), (26, 3129666), (34, 2393274), (39, 2086444), (51, 1595516), (52, 1564833), (61, 1333956), (68, 1196637), (78, 1043222), (102, 797758), (122, 666978), (156, 521611), (183, 444652), (204, 398879), (221, 368196), (244, 333489), (366, 222326), (442, 184098), (503, 161772), (663, 122732), (732, 111163), (793, 102612), (884, 92049), (1006, 80886), (1037, 78468), (1326, 61366), (1509, 53924), (1586, 51306), (2012, 40443), (2074, 39234), (2379, 34204), (2652, 30683), (3018, 26962), (3111, 26156), (3172, 25653), (4148, 19617), (4758, 17102), (6036, 13481), (6222, 13078), (6539, 12444), (8551, 9516)]