31491198

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 70997472

約数和(自身を除く): 39506274

約数列:

[1, 2, 3, 6, 9, 18, 41, 71, 82, 123, 142, 213, 246, 369, 426, 601, 639, 738, 1202, 1278, 1803, 2911, 3606, 5409, 5822, 8733, 10818, 17466, 24641, 26199, 42671, 49282, 52398, 73923, 85342, 128013, 147846, 221769, 256026, 384039, 443538, 768078, 1749511, 3499022, 5248533, 10497066, 15745599, 31491198]

約数ペア:

[(1, 31491198), (2, 15745599), (3, 10497066), (6, 5248533), (9, 3499022), (18, 1749511), (41, 768078), (71, 443538), (82, 384039), (123, 256026), (142, 221769), (213, 147846), (246, 128013), (369, 85342), (426, 73923), (601, 52398), (639, 49282), (738, 42671), (1202, 26199), (1278, 24641), (1803, 17466), (2911, 10818), (3606, 8733), (5409, 5822)]