1991401488

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{19841}}^1$

素因数の和:19913

約数の個数: 120

約数和(自身を含む): 6045222456

約数和(自身を除く): 4053820968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 41, 48, 51, 68, 72, 82, 102, 123, 136, 144, 153, 164, 204, 246, 272, 306, 328, 369, 408, 492, 612, 656, 697, 738, 816, 984, 1224, 1394, 1476, 1968, 2091, 2448, 2788, 2952, 4182, 5576, 5904, 6273, 8364, 11152, 12546, 16728, 19841, 25092, 33456, 39682, 50184, 59523, 79364, 100368, 119046, 158728, 178569, 238092, 317456, 337297, 357138, 476184, 674594, 714276, 813481, 952368, 1011891, 1349188, 1428552, 1626962, 2023782, 2440443, 2698376, 2857104, 3035673, 3253924, 4047564, 4880886, 5396752, 6071346, 6507848, 7321329, 8095128, 9761772, 12142692, 13015696, 13829177, 14642658, 16190256, 19523544, 24285384, 27658354, 29285316, 39047088, 41487531, 48570768, 55316708, 58570632, 82975062, 110633416, 117141264, 124462593, 165950124, 221266832, 248925186, 331900248, 497850372, 663800496, 995700744, 1991401488]

約数ペア:

[(1, 1991401488), (2, 995700744), (3, 663800496), (4, 497850372), (6, 331900248), (8, 248925186), (9, 221266832), (12, 165950124), (16, 124462593), (17, 117141264), (18, 110633416), (24, 82975062), (34, 58570632), (36, 55316708), (41, 48570768), (48, 41487531), (51, 39047088), (68, 29285316), (72, 27658354), (82, 24285384), (102, 19523544), (123, 16190256), (136, 14642658), (144, 13829177), (153, 13015696), (164, 12142692), (204, 9761772), (246, 8095128), (272, 7321329), (306, 6507848), (328, 6071346), (369, 5396752), (408, 4880886), (492, 4047564), (612, 3253924), (656, 3035673), (697, 2857104), (738, 2698376), (816, 2440443), (984, 2023782), (1224, 1626962), (1394, 1428552), (1476, 1349188), (1968, 1011891), (2091, 952368), (2448, 813481), (2788, 714276), (2952, 674594), (4182, 476184), (5576, 357138), (5904, 337297), (6273, 317456), (8364, 238092), (11152, 178569), (12546, 158728), (16728, 119046), (19841, 100368), (25092, 79364), (33456, 59523), (39682, 50184)]