489779316

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61561}}^1$

素因数の和:61601

約数の個数: 72

約数和(自身を含む): 1411739784

約数和(自身を除く): 921960468

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 7956, 61561, 123122, 184683, 246244, 369366, 554049, 738732, 800293, 1046537, 1108098, 1600586, 2093074, 2216196, 2400879, 3139611, 3201172, 4186148, 4801758, 6279222, 7202637, 9418833, 9603516, 12558444, 13604981, 14405274, 18837666, 27209962, 28810548, 37675332, 40814943, 54419924, 81629886, 122444829, 163259772, 244889658, 489779316]

約数ペア:

[(1, 489779316), (2, 244889658), (3, 163259772), (4, 122444829), (6, 81629886), (9, 54419924), (12, 40814943), (13, 37675332), (17, 28810548), (18, 27209962), (26, 18837666), (34, 14405274), (36, 13604981), (39, 12558444), (51, 9603516), (52, 9418833), (68, 7202637), (78, 6279222), (102, 4801758), (117, 4186148), (153, 3201172), (156, 3139611), (204, 2400879), (221, 2216196), (234, 2093074), (306, 1600586), (442, 1108098), (468, 1046537), (612, 800293), (663, 738732), (884, 554049), (1326, 369366), (1989, 246244), (2652, 184683), (3978, 123122), (7956, 61561)]