395228548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{719}}^1$

素因数の和:809

約数の個数: 72

約数和(自身を含む): 840792960

約数和(自身を除く): 445564412

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 572, 682, 719, 806, 961, 1364, 1438, 1612, 1922, 2876, 3844, 4433, 7909, 8866, 9347, 10571, 12493, 15818, 17732, 18694, 21142, 22289, 24986, 31636, 37388, 42284, 44578, 49972, 89156, 102817, 137423, 205634, 245179, 274846, 289757, 411268, 490358, 549692, 579514, 690959, 980716, 1159028, 1381918, 2763836, 3187327, 6374654, 7600549, 8982467, 12749308, 15201098, 17964934, 30402196, 35929868, 98807137, 197614274, 395228548]

約数ペア:

[(1, 395228548), (2, 197614274), (4, 98807137), (11, 35929868), (13, 30402196), (22, 17964934), (26, 15201098), (31, 12749308), (44, 8982467), (52, 7600549), (62, 6374654), (124, 3187327), (143, 2763836), (286, 1381918), (341, 1159028), (403, 980716), (572, 690959), (682, 579514), (719, 549692), (806, 490358), (961, 411268), (1364, 289757), (1438, 274846), (1612, 245179), (1922, 205634), (2876, 137423), (3844, 102817), (4433, 89156), (7909, 49972), (8866, 44578), (9347, 42284), (10571, 37388), (12493, 31636), (15818, 24986), (17732, 22289), (18694, 21142)]