641666148

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{19381}}^1$

素因数の和:19508

約数の個数: 48

約数和(自身を含む): 1562964480

約数和(自身を除く): 921298332

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 89, 93, 124, 178, 186, 267, 356, 372, 534, 1068, 2759, 5518, 8277, 11036, 16554, 19381, 33108, 38762, 58143, 77524, 116286, 232572, 600811, 1201622, 1724909, 1802433, 2403244, 3449818, 3604866, 5174727, 6899636, 7209732, 10349454, 20698908, 53472179, 106944358, 160416537, 213888716, 320833074, 641666148]

約数ペア:

[(1, 641666148), (2, 320833074), (3, 213888716), (4, 160416537), (6, 106944358), (12, 53472179), (31, 20698908), (62, 10349454), (89, 7209732), (93, 6899636), (124, 5174727), (178, 3604866), (186, 3449818), (267, 2403244), (356, 1802433), (372, 1724909), (534, 1201622), (1068, 600811), (2759, 232572), (5518, 116286), (8277, 77524), (11036, 58143), (16554, 38762), (19381, 33108)]