1978836678

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{172583}}^1$

素因数の和:172618

約数の個数: 72

約数和(自身を含む): 5371159248

約数和(自身を除く): 3392322570

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1911, 3822, 5733, 11466, 172583, 345166, 517749, 1035498, 1208081, 1553247, 2243579, 2416162, 3106494, 3624243, 4487158, 6730737, 7248486, 8456567, 10872729, 13461474, 15705053, 16913134, 20192211, 21745458, 25369701, 31410106, 40384422, 47115159, 50739402, 76109103, 94230318, 109935371, 141345477, 152218206, 219870742, 282690954, 329806113, 659612226, 989418339, 1978836678]

約数ペア:

[(1, 1978836678), (2, 989418339), (3, 659612226), (6, 329806113), (7, 282690954), (9, 219870742), (13, 152218206), (14, 141345477), (18, 109935371), (21, 94230318), (26, 76109103), (39, 50739402), (42, 47115159), (49, 40384422), (63, 31410106), (78, 25369701), (91, 21745458), (98, 20192211), (117, 16913134), (126, 15705053), (147, 13461474), (182, 10872729), (234, 8456567), (273, 7248486), (294, 6730737), (441, 4487158), (546, 3624243), (637, 3106494), (819, 2416162), (882, 2243579), (1274, 1553247), (1638, 1208081), (1911, 1035498), (3822, 517749), (5733, 345166), (11466, 172583)]