197945244

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 592184320

約数和(自身を除く): 394239076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 79, 84, 122, 126, 158, 163, 183, 237, 244, 252, 316, 326, 366, 427, 474, 489, 549, 553, 652, 711, 732, 854, 948, 978, 1098, 1106, 1141, 1281, 1422, 1467, 1659, 1708, 1956, 2196, 2212, 2282, 2562, 2844, 2934, 3318, 3423, 3843, 4564, 4819, 4977, 5124, 5868, 6636, 6846, 7686, 9638, 9943, 9954, 10269, 12877, 13692, 14457, 15372, 19276, 19886, 19908, 20538, 25754, 28914, 29829, 33733, 38631, 39772, 41076, 43371, 51508, 57828, 59658, 67466, 69601, 77262, 86742, 89487, 90139, 101199, 115893, 119316, 134932, 139202, 154524, 173484, 178974, 180278, 202398, 208803, 231786, 270417, 278404, 303597, 357948, 360556, 404796, 417606, 463572, 540834, 607194, 626409, 785497, 811251, 835212, 1081668, 1214388, 1252818, 1570994, 1622502, 2356491, 2505636, 3141988, 3245004, 4712982, 5498479, 7069473, 9425964, 10996958, 14138946, 16495437, 21993916, 28277892, 32990874, 49486311, 65981748, 98972622, 197945244]

約数ペア:

[(1, 197945244), (2, 98972622), (3, 65981748), (4, 49486311), (6, 32990874), (7, 28277892), (9, 21993916), (12, 16495437), (14, 14138946), (18, 10996958), (21, 9425964), (28, 7069473), (36, 5498479), (42, 4712982), (61, 3245004), (63, 3141988), (79, 2505636), (84, 2356491), (122, 1622502), (126, 1570994), (158, 1252818), (163, 1214388), (183, 1081668), (237, 835212), (244, 811251), (252, 785497), (316, 626409), (326, 607194), (366, 540834), (427, 463572), (474, 417606), (489, 404796), (549, 360556), (553, 357948), (652, 303597), (711, 278404), (732, 270417), (854, 231786), (948, 208803), (978, 202398), (1098, 180278), (1106, 178974), (1141, 173484), (1281, 154524), (1422, 139202), (1467, 134932), (1659, 119316), (1708, 115893), (1956, 101199), (2196, 90139), (2212, 89487), (2282, 86742), (2562, 77262), (2844, 69601), (2934, 67466), (3318, 59658), (3423, 57828), (3843, 51508), (4564, 43371), (4819, 41076), (4977, 39772), (5124, 38631), (5868, 33733), (6636, 29829), (6846, 28914), (7686, 25754), (9638, 20538), (9943, 19908), (9954, 19886), (10269, 19276), (12877, 15372), (13692, 14457)]