221575848

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{739}}^1$

素因数の和:823

約数の個数: 96

約数和(自身を含む): 617248800

約数和(自身を除く): 395672952

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 739, 744, 806, 961, 1209, 1478, 1612, 1922, 2217, 2418, 2883, 2956, 3224, 3844, 4434, 4836, 5766, 5912, 7688, 8868, 9607, 9672, 11532, 12493, 17736, 19214, 22909, 23064, 24986, 28821, 37479, 38428, 45818, 49972, 57642, 68727, 74958, 76856, 91636, 99944, 115284, 137454, 149916, 183272, 230568, 274908, 297817, 299832, 549816, 595634, 710179, 893451, 1191268, 1420358, 1786902, 2130537, 2382536, 2840716, 3573804, 4261074, 5681432, 7147608, 8522148, 9232327, 17044296, 18464654, 27696981, 36929308, 55393962, 73858616, 110787924, 221575848]

約数ペア:

[(1, 221575848), (2, 110787924), (3, 73858616), (4, 55393962), (6, 36929308), (8, 27696981), (12, 18464654), (13, 17044296), (24, 9232327), (26, 8522148), (31, 7147608), (39, 5681432), (52, 4261074), (62, 3573804), (78, 2840716), (93, 2382536), (104, 2130537), (124, 1786902), (156, 1420358), (186, 1191268), (248, 893451), (312, 710179), (372, 595634), (403, 549816), (739, 299832), (744, 297817), (806, 274908), (961, 230568), (1209, 183272), (1478, 149916), (1612, 137454), (1922, 115284), (2217, 99944), (2418, 91636), (2883, 76856), (2956, 74958), (3224, 68727), (3844, 57642), (4434, 49972), (4836, 45818), (5766, 38428), (5912, 37479), (7688, 28821), (8868, 24986), (9607, 23064), (9672, 22909), (11532, 19214), (12493, 17736)]