81503916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:531

約数の個数: 96

約数和(自身を含む): 220344768

約数和(自身を除く): 138840852

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 73, 78, 102, 146, 156, 204, 219, 221, 292, 421, 438, 442, 663, 842, 876, 884, 949, 1241, 1263, 1326, 1684, 1898, 2482, 2526, 2652, 2847, 3723, 3796, 4964, 5052, 5473, 5694, 7157, 7446, 10946, 11388, 14314, 14892, 16133, 16419, 21471, 21892, 28628, 30733, 32266, 32838, 42942, 48399, 61466, 64532, 65676, 85884, 92199, 93041, 96798, 122932, 184398, 186082, 193596, 279123, 368796, 372164, 399529, 522461, 558246, 799058, 1044922, 1116492, 1198587, 1567383, 1598116, 2089844, 2397174, 3134766, 4794348, 6269532, 6791993, 13583986, 20375979, 27167972, 40751958, 81503916]

約数ペア:

[(1, 81503916), (2, 40751958), (3, 27167972), (4, 20375979), (6, 13583986), (12, 6791993), (13, 6269532), (17, 4794348), (26, 3134766), (34, 2397174), (39, 2089844), (51, 1598116), (52, 1567383), (68, 1198587), (73, 1116492), (78, 1044922), (102, 799058), (146, 558246), (156, 522461), (204, 399529), (219, 372164), (221, 368796), (292, 279123), (421, 193596), (438, 186082), (442, 184398), (663, 122932), (842, 96798), (876, 93041), (884, 92199), (949, 85884), (1241, 65676), (1263, 64532), (1326, 61466), (1684, 48399), (1898, 42942), (2482, 32838), (2526, 32266), (2652, 30733), (2847, 28628), (3723, 21892), (3796, 21471), (4964, 16419), (5052, 16133), (5473, 14892), (5694, 14314), (7157, 11388), (7446, 10946)]