311947792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:632

約数の個数: 80

約数和(自身を含む): 679956480

約数和(自身を除く): 368008688

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 101, 104, 124, 202, 208, 248, 403, 404, 479, 496, 806, 808, 958, 1313, 1612, 1616, 1916, 2626, 3131, 3224, 3832, 5252, 6227, 6262, 6448, 7664, 10504, 12454, 12524, 14849, 21008, 24908, 25048, 29698, 40703, 48379, 49816, 50096, 59396, 81406, 96758, 99632, 118792, 162812, 193037, 193516, 237584, 325624, 386074, 387032, 628927, 651248, 772148, 774064, 1257854, 1499749, 1544296, 2515708, 2999498, 3088592, 5031416, 5998996, 10062832, 11997992, 19496737, 23995984, 38993474, 77986948, 155973896, 311947792]

約数ペア:

[(1, 311947792), (2, 155973896), (4, 77986948), (8, 38993474), (13, 23995984), (16, 19496737), (26, 11997992), (31, 10062832), (52, 5998996), (62, 5031416), (101, 3088592), (104, 2999498), (124, 2515708), (202, 1544296), (208, 1499749), (248, 1257854), (403, 774064), (404, 772148), (479, 651248), (496, 628927), (806, 387032), (808, 386074), (958, 325624), (1313, 237584), (1612, 193516), (1616, 193037), (1916, 162812), (2626, 118792), (3131, 99632), (3224, 96758), (3832, 81406), (5252, 59396), (6227, 50096), (6262, 49816), (6448, 48379), (7664, 40703), (10504, 29698), (12454, 25048), (12524, 24908), (14849, 21008)]